std Symbol Index
This page tries to list all the symbols that are available from the Standard Library in the namespace std::. The symbols are written as follows:
- Function names with ().
 - Templates with <>.
 
Symbols from std::'s sub-namespaces (e.g. chrono) are not listed here, but the namespace names are the links to the corresponding pages.
Macro symbols and symbols removed from the standard library are listed in separated pages.
 _   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z 
Macros
_ (underscore)
_Exit() (since C++11) 
A
abs() (int) 
abs() (float) 
abs<>() (std::complex) 
abs<>() (std::valarray) 
acos() 
acos<>() (std::complex) (since C++11) 
acos<>() (std::valarray) 
acosf() (since C++11) 
acosh() (since C++11) 
acosh<>() (std::complex) (since C++11) 
acoshf() (since C++11) 
acoshl() (since C++11) 
acosl() (since C++11) 
accumulate<>() 
add_const<> (since C++11) 
add_const_t<> (since C++14) 
add_cv<> (since C++11) 
add_cv_t<> (since C++14) 
add_pointer<> (since C++11) 
add_pointer_t<> (since C++14) 
add_lvalue_reference<> (since C++11) 
add_lvalue_reference_t<> (since C++14) 
addressof<>() (since C++11) 
add_rvalue_reference<> (since C++11) 
add_rvalue_reference_t<> (since C++14) 
add_volatile<> (since C++11) 
add_volatile_t<> (since C++14) 
adjacent_difference<>() 
adjacent_find<>() 
adopt_lock (since C++11) 
adopt_lock_t (since C++11) 
advance<>() 
align() (since C++11) 
aligned_alloc() (since C++17) 
aligned_storage<> (since C++11) 
aligned_storage_t<> (since C++14) 
aligned_union<> (since C++11) 
aligned_union_t<> (since C++14) 
alignment_of<> (since C++11) 
alignment_of_v<> (since C++17) 
align_val_t (since C++17) 
all_of<>() (since C++11) 
allocate_shared<>() (since C++11) 
allocate_shared_default_init<>() (since C++20) 
allocator<> 
allocator_arg (since C++11) 
allocator_arg_t (since C++11) 
allocator_traits<> (since C++11) 
any (since C++17) 
any_cast<>() (since C++17) 
any_of<>() (since C++11) 
apply<>() (since C++17) 
arg<>() 
array<> (since C++11) 
as_bytes<>() (since C++20) 
as_const<>()  (since C++17) 
as_writable_bytes<>() (since C++20) 
asctime() 
asin() 
asin<>() (std::complex) (since C++11) 
asin<>() (std::valarray) 
asinf() (since C++11) 
asinh() (since C++11) 
asinh<>() (std::complex) (since C++11) 
asinhf() (since C++11) 
asinhl() (since C++11) 
asinl() (since C++11) 
Assignable (since C++20) 
assoc_laguerre() (since C++17) 
assoc_laguerref() (since C++17) 
assoc_laguerrel() (since C++17) 
assoc_legendre() (since C++17) 
assoc_legendref() (since C++17) 
assoc_legendrel() (since C++17) 
assume_aligned<>() (since C++20) 
async<>() (since C++11) 
at_quick_exit() (since C++11) 
atan() 
atan<>() (std::complex) (since C++11) 
atan<>() (std::valarray) 
atan2() 
atan2<>() (std::valarray) 
atan2f() (since C++11) 
atan2l() (since C++11) 
atanf() (since C++11) 
atanh() (since C++11) 
atanh<>() (std::complex) (since C++11) 
atanhf() (since C++11) 
atanhl() (since C++11) 
atanl() (since C++11) 
atexit() 
atof() 
atoi() 
atol() 
atoll() (since C++11) 
atomic<> (since C++11) 
atomic<> full specializations and typedefs: 
atomic_bool (since C++11) 
atomic_char (since C++11) 
atomic_char16_t (since C++11) 
atomic_char32_t (since C++11) 
atomic_char8_t (since C++20) 
atomic_int (since C++11) 
atomic_int8_t (since C++11) 
atomic_int16_t (since C++11) 
atomic_int32_t (since C++11) 
atomic_int64_t (since C++11) 
atomic_int_fast8_t (since C++11) 
atomic_int_fast16_t (since C++11) 
atomic_int_fast32_t (since C++11) 
atomic_int_fast64_t (since C++11) 
atomic_int_fast8_t (since C++11) 
atomic_int_fast16_t (since C++11) 
atomic_int_fast32_t (since C++11) 
atomic_int_fast64_t (since C++11) 
atomic_intmax_t (since C++11) 
atomic_intptr_t (since C++11) 
atomic_llong (since C++11) 
atomic_long (since C++11) 
atomic_ptrdiff_t (since C++11) 
atomic_schar (since C++11) 
atomic_short (since C++11) 
atomic_size_t (since C++11) 
atomic_uchar (since C++11) 
atomic_uint (since C++11) 
atomic_uint8_t (since C++11) 
atomic_uint16_t (since C++11) 
atomic_uint32_t (since C++11) 
atomic_uint64_t (since C++11) 
atomic_uint_fast8_t (since C++11) 
atomic_uint_fast16_t (since C++11) 
atomic_uint_fast32_t (since C++11) 
atomic_uint_fast64_t (since C++11) 
atomic_uint_least8_t (since C++11) 
atomic_uint_least16_t (since C++11) 
atomic_uint_least32_t (since C++11) 
atomic_uint_least64_t (since C++11) 
atomic_uintmax_t (since C++11) 
atomic_uintptr_t (since C++11) 
atomic_ullong (since C++11) 
atomic_ulong (since C++11) 
atomic_ushort (since C++11) 
atomic_wchar_t (since C++11) 
atomic_compare_exchange_strong<>() (since C++11) 
atomic_compare_exchange_strong<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_compare_exchange_strong_explicit<>() (since C++11) 
atomic_compare_exchange_strong_explicit<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_compare_exchange_weak<>() (since C++11) 
atomic_compare_exchange_weak<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_compare_exchange_weak_explicit<>() (since C++11) 
atomic_compare_exchange_weak_explicit<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_exchange<>() (since C++11) 
atomic_exchange<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_exchange_explicit<>() (since C++11) 
atomic_exchange_explicit<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_fetch_add<>() (since C++11) 
atomic_fetch_add_explicit<>() (since C++11) 
atomic_fetch_and<>() (since C++11) 
atomic_fetch_and_explicit<>() (since C++11) 
atomic_fetch_or<>() (since C++11) 
atomic_fetch_or_explicit<>() (since C++11) 
atomic_fetch_sub<>() (since C++11) 
atomic_fetch_sub_explicit<>() (since C++11) 
atomic_fetch_xor<>() (since C++11) 
atomic_fetch_xor_explicit<>() (since C++11) 
atomic_flag (since C++11) 
atomic_flag_clear() (since C++11) 
atomic_flag_clear_explicit() (since C++11) 
atomic_flag_test_and_set() (since C++11) 
atomic_flag_test_and_set_explicit() (since C++11) 
atomic_init<>() (since C++11) 
atomic_is_lockfree<>() (since C++11) 
atomic_is_lockfree<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_load<>() (since C++11) 
atomic_load<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_load_explicit<>() (since C++11) 
atomic_load_explicit<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_ref<> (since C++20) 
atomic_signal_fence() (since C++11) 
atomic_store<>() (since C++11) 
atomic_store<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_store_explicit<>() (since C++11) 
atomic_store_explicit<>() (std::shared_ptr) (since C++11)(deprecated in C++20) 
atomic_thread_fence() (since C++11) 
atto (since C++11) 
B
back_inserter<>() 
back_insert_iterator<> 
bad_alloc 
bad_any_cast (since C++17) 
bad_array_new_length (since C++11) 
bad_cast 
bad_exception 
bad_function_call (since C++11) 
bad_optional_access (since C++17) 
bad_typeid 
bad_variant_access (since C++17) 
bad_weak_ptr (since C++11) 
basic_common_reference<> (since C++20) 
basic_filebuf<> 
basic_fstream<> 
basic_ifstream<> 
basic_istream<> 
basic_ios<> 
basic_iostream 
basic_istringstream<> 
basic_ofstream<> 
basic_ostream<> 
basic_ostringstream<> 
basic_osyncstream<> (since C++20) 
basic_regex<> (since C++11) 
basic_streambuf<> 
basic_string<> 
basic_stringbuf<> 
basic_stringstream<> 
basic_syncbuf<> (since C++20) 
basic_string_view<> (since C++17) 
begin<>() (since C++11) (iterator)
bernoulli_distribution<> (since C++11) 
beta() (since C++17) 
betaf() (since C++17) 
betal() (since C++17) 
bidirectional_iterator_tag 
BidirectionalIterator (since C++20) 
binary_search<>() 
bind<>() (since C++11) 
bind_front<>() (since C++20) 
binomial_distribution<> (since C++11) 
bit_and<> 
bit_cast<>() (since C++20) 
bit_or<> 
bit_not<> (since C++14) 
bit_xor<> 
bitset<> 
bool_constant<> (since C++17) 
boolalpha() 
Boolean (since C++20) 
boyer_moore_horspool_searcher<> (since C++17) 
boyer_moore_searcher<> (since C++17) 
bsearch() 
btowc() 
byte (since C++17) 
C
c16rtomb() (since C++11) 
c32rtomb() (since C++11) 
c8rtomb() (since C++20) 
call_once<>() (since C++11) 
calloc() 
cauchy_distribution<> (since C++11) 
cbegin<>() (since C++14) 
cbrt() (since C++11) 
cbrtf() (since C++11) 
cbrtl() (since C++11) 
ceil() 
ceilf() (since C++11) 
ceill() (since C++11) 
ceil2<>() (since C++20) 
cend<>() (since C++14) 
centi (since C++11) 
cerr 
char_traits<> 
chars_format (since C++17) 
chi_squared_distribution<> (since C++11) 
▶ chrono (since C++11) 
▶ chrono_literals (since C++14) 
cin 
clamp<>() (since C++17) 
clearerr() 
clock() 
clock_t 
clog 
cmatch (since C++11) 
codecvt<> 
codecvt_base 
codecvt_byname<> 
codecvt_mode (since C++11)(deprecated in C++17) 
codecvt_utf16<> (since C++11)(deprecated in C++17) 
codecvt_utf8<> (since C++11)(deprecated in C++17) 
codecvt_utf8_utf16<> (since C++11)(deprecated in C++17) 
collate<> 
collate_byname<> 
Common (since C++20) 
common_comparison_category<> (since C++20) 
common_comparison_category_t<> (since C++20) 
common_iterator<> (since C++20) 
common_reference<> (since C++20) 
common_reference_t<> (since C++20) 
common_type<> (since C++11) 
common_type_t<> (since C++14) 
CommonReference (since C++20) 
comp_ellint_1() (since C++17) 
comp_ellint_1f() (since C++17) 
comp_ellint_1l() (since C++17) 
comp_ellint_2() (since C++17) 
comp_ellint_2f() (since C++17) 
comp_ellint_2l() (since C++17) 
comp_ellint_3() (since C++17) 
comp_ellint_3f() (since C++17) 
comp_ellint_3l() (since C++17) 
compare_3way<>() (since C++20) 
complex<> 
▶ complex_literals (since C++14) 
conditional<> (since C++11) 
conditional_t<> (since C++14) 
condition_variable (since C++11) 
condition_variable_any (since C++11) 
conjunction<> (since C++17) 
conjunction_v<> (since C++17) 
conj<>() 
Constructible (since C++20) 
consume_header (since C++11)(deprecated in C++17) 
contiguous_iterator_tag (since C++20) 
ContiguousIterator (since C++20) 
contract_violation (since C++20) 
ConvertibleTo (since C++20) 
copy<>() 
copy_backward<>() 
copy_if<>() (since C++11) 
copy_n<>() (since C++11) 
Copyable (since C++20) 
CopyConstructible (since C++20) 
copysign() (since C++11) 
copysignf() (since C++11) 
copysignl() (since C++11) 
const_pointer_cast<>() (since C++11) 
cos() 
cos<>() (std::complex) 
cos<>() (std::valarray) 
cosf() (since C++11) 
cosh() 
cosh<>() (std::complex) 
cosh<>() (std::valarray) 
coshf() (since C++11) 
coshl() (since C++11) 
cosl() (since C++11) 
count<>() 
count_if<>() 
counted_iterator<> (since C++20) 
cout 
crbegin<>() (since C++14) 
cref<>() (since C++11) 
cregex_iterator (since C++11) 
cregex_token_iterator (since C++11) 
crend<>() (since C++14) 
csub_match (since C++11) 
ctime() 
ctype<> 
ctype<> (char) 
ctype_base 
ctype_byname<> 
current_exception() (since C++11) 
cv_status (since C++11) 
cyl_bessel_i() (since C++17) 
cyl_bessel_if() (since C++17) 
cyl_bessel_il() (since C++17) 
cyl_bessel_j() (since C++17) 
cyl_bessel_jf() (since C++17) 
cyl_bessel_jl() (since C++17) 
cyl_bessel_k() (since C++17) 
cyl_bessel_kf() (since C++17) 
cyl_bessel_kl() (since C++17) 
cyl_neumann() (since C++17) 
cyl_neumannf() (since C++17) 
cyl_neumannl() (since C++17) 
D
data<>() (since C++17) 
dec() 
deca (since C++11) 
decay<> (since C++11) 
decay_t<> (since C++14) 
deci (since C++11) 
declare_no_pointers()  (since C++11) 
declare_reachable()  (since C++11) 
declval<>()  (since C++11) 
default_delete  (since C++11) 
default_random_engine (since C++11) 
default_searcher<> (since C++17) 
default_sentinel (since C++20) 
default_sentinel_t (since C++20) 
DefaultConstructible (since C++20) 
defaultfloat() (since C++11) 
defer_lock (since C++11) 
defer_lock_t (since C++11) 
denorm_absent 
denorm_indeterminate 
denorm_present 
deque<> 
DerivedFrom (since C++20) 
destroy<>() (since C++17) 
destroy_at<>() (since C++17) 
destroy_n<>() (since C++17) 
destroying_delete (since C++20) 
destroying_delete_t (since C++20) 
Destructible (since C++20) 
difftime() 
discrete_distribution<> (since C++11) 
discard_block_engine<> (since C++11) 
disjunction<> (since C++17) 
disjunction_v<> (since C++17) 
distance<>() 
div() 
div_t 
divides<> 
domain_error 
double_t (since C++11) 
dynamic_extent (since C++20) 
dynamic_pointer_cast<>() (since C++11) 
E
ellint_1() (since C++17) 
ellint_1f() (since C++17) 
ellint_1l() (since C++17) 
ellint_2() (since C++17) 
ellint_2f() (since C++17) 
ellint_2l() (since C++17) 
ellint_3() (since C++17) 
ellint_3f() (since C++17) 
ellint_3l() (since C++17) 
emit_on_flush<>() (since C++20) 
empty<>() (since C++17) 
enable_if<> (since C++11) 
enable_if_t<> (since C++14) 
enable_shared_from_this<> (since C++11) 
end<>() (since C++11) (iterator) 
endian (since C++20) 
endl<>() 
ends<>() 
equal<>() 
equal_range<>() 
equal_to<> 
EqualityComparable (since C++20) 
EqualityComparableWith (since C++20) 
erase<>() (since C++20) 
erase_if<>() (since C++20) 
erf() (since C++11) 
erfc() (since C++11) 
erfcf() (since C++11) 
erfcl() (since C++11) 
erff() (since C++11) 
erfl() (since C++11) 
errc (since C++11) 
error_category (since C++11) 
error_code (since C++11) 
error_condition (since C++11) 
exa (since C++11) 
exception 
exception_ptr (since C++11) 
exchange<>() (since C++14) 
exclusive_scan<>() (since C++17) 
▶ execution (since C++17) 
exit() 
exp() 
exp<>() (std::complex) 
exp<>() (std::valarray) 
exp2() (since C++11) 
exp2f() (since C++11) 
exp2l() (since C++11) 
expf() (since C++11) 
expint() (since C++17) 
expintf() (since C++17) 
expintl() (since C++17) 
expl() (since C++11) 
expm1() (since C++11) 
expm1f() (since C++11) 
expm1l() (since C++11) 
exponential_distribution<> (since C++11) 
extent<> (since C++11) 
extent_v<> (since C++17) 
extreme_value_distribution<> (since C++11) 
F
fabs() 
fabsf() (since C++11) 
fabsl() (since C++11) 
fclose() 
false_type (since C++11) 
fdim() (since C++11) 
fdimf() (since C++11) 
fdiml() (since C++11) 
feclearexcept() (since C++11) 
fegetenv() (since C++11) 
fegetexceptflag() (since C++11) 
fegetround() (since C++11) 
feholdexcept() (since C++11) 
femto (since C++11) 
fenv_t (since C++11) 
feof() 
feraiseexcept() (since C++11) 
ferror() 
fesetenv() (since C++11) 
fesetexceptflag() (since C++11) 
fesetround() (since C++11) 
fetestexcept() (since C++11) 
feupdateenv() (since C++11) 
fexcept_t (since C++11)
fflush() 
fgetc() 
fgetpos() 
fgets() 
fgetwc() 
fgetws() 
FILE 
filebuf 
▶ filesystem (since C++17) 
fill<>() 
fill_n<>() 
find<>() 
find_end<>() 
find_first_of<>() 
find_if<>() 
find_if_not<>() (since C++17) 
fisher_f_distribution<> (since C++11) 
fixed() 
float_denorm_style 
float_round_style 
float_t (since C++11) 
floor() 
floor2<>() (since C++20) 
floorf() (since C++11) 
floorl() (since C++11) 
flush<>() 
flush_emit<>() (since C++20) 
fma() (since C++11) 
fmaf() (since C++11) 
fmal() (since C++11) 
fmax() (since C++11) 
fmaxf() (since C++11) 
fmaxl() (since C++11) 
fmin() (since C++11) 
fminf() (since C++11) 
fminl() (since C++11) 
fmod() 
fmodf() (since C++11) 
fmodl() (since C++11) 
fopen() 
for_each<>() 
for_each_n<>() (since C++17) 
forward<>() (since C++11) 
forward_as_tuple<>() (since C++11) 
forward_iterator_tag 
forward_list<> (since C++11) 
ForwardIterator (since C++20) 
fpclassify() (since C++11) 
fpos<> 
fpos_t 
fprintf() 
fputc() 
fputs() 
fputwc() 
fputws() 
fread() 
free() 
freopen() 
frexp() 
frexpf() (since C++11) 
frexpl() (since C++11) 
from_chars() (since C++17) 
front_inserter<>() 
front_insert_iterator<> 
fscanf() 
fseek() 
fsetpos() 
fstream 
ftell() 
function<> (since C++11) 
future<> (since C++11) 
future_category() (since C++11) 
future_errc (since C++11) 
future_error (since C++11) 
future_status (since C++11) 
fwide() 
fwprintf() 
fwrite() 
fwscanf() 
G
gamma_distribution<> (since C++11) 
gcd<>() (since C++17) 
generate<>() 
generate_canonical<> (since C++11) 
generate_header (since C++11)(deprecated in C++17) 
generate_n<>() 
generic_category() (since C++11) 
geometric_distribution<> (since C++11) 
get<>() (std::array) (since C++11) 
get<>() (std::pair) (since C++11) 
get<>() (std::tuple) (since C++11) 
get<>() (std::variant) (since C++17) 
get_deleter<>() (since C++11) 
get_if<>() (since C++17) 
get_money<>() (since C++11) 
get_new_handler() (since C++11) 
get_pointer_safety() (since C++11) 
get_terminate() (since C++11) 
get_time<>() (since C++11) 
getc() 
getchar() 
getenv() 
getwc()
getwchar()
giga (since C++11) 
gmtime() 
greater<> 
greater_equal<> 
gslice 
gslice_array<> 
H
hardware_constructive_interference_size (since C++17) 
hardware_destructive_interference_size (since C++17) 
has_facet<>() 
hash<> (since C++11) 
has_unique_object_representations<> (since C++17) 
has_unique_object_representations_v<> (since C++17) 
has_virtual_destructor<> (since C++11) 
has_virtual_destructor_v<> (since C++17) 
hecto (since C++11) 
hermite() (since C++17) 
hermitef() (since C++17) 
hermitel() (since C++17) 
hex() 
hexfloat() (since C++11) 
holds_alternative<>() (since C++17) 
hypot() (since C++11) 
hypotf() (since C++11) 
hypotl() (since C++11) 
I
identity (since C++20) 
ifstream 
ignore (since C++11) 
ilogb() (since C++11) 
ilogbf() (since C++11) 
ilogbl() (since C++11) 
imag<>() 
imaxabs() (since C++11) 
imaxdiv() (since C++11) 
imaxdiv_t (since C++11) 
in_place (since C++17) 
in_place_index<> (since C++17) 
in_place_index_t<> (since C++17) 
in_place_t (since C++17) 
in_place_type<> (since C++17) 
in_place_type_t<> (since C++17) 
includes<>() 
inclusive_scan<>() (since C++17) 
Incrementable (since C++20) 
incrementable_traits<> (since C++20) 
independent_bits_engine<> (since C++11) 
indirect_array<> 
indirect_result_t<> (since C++20) 
IndirectlyComparable (since C++20) 
IndirectlyCopyable (since C++20) 
IndirectlyCopyableStorable (since C++20) 
IndirectlyMovable (since C++20) 
IndirectlyMovable (since C++20) 
IndirectlySwappable (since C++20) 
IndirectRegularUnaryInvocable (since C++20) 
IndirectRelation (since C++20) 
IndirectStrictWeakOrder (since C++20) 
IndirectUnaryInvocable (since C++20) 
IndirectUnaryPredicate (since C++20) 
initializer_list<> (since C++11) 
inner_product<>() 
inplace_merge<>() 
input_iterator_tag 
InputIterator (since C++20) 
inserter<>() 
insert_iterator<> 
int_fast16_t (since C++11) 
int_fast32_t (since C++11) 
int_fast64_t (since C++11) 
int_fast8_t (since C++11) 
int_least16_t (since C++11) 
int_least32_t (since C++11) 
int_least64_t (since C++11) 
int_least8_t (since C++11) 
int16_t (since C++11) 
int32_t (since C++11) 
int64_t (since C++11) 
int8_t (since C++11) 
integer_sequence<> (since C++14) 
Integral (since C++20) 
integral_constant<> (since C++11) 
internal() 
intmax_t (since C++11) 
intptr_t (since C++11) 
invalid_argument 
Invocable (since C++20) 
invoke<>() (since C++17) 
invoke_result<> (since C++17) 
invoke_result_t<> (since C++17) 
io_errc (since C++11) 
ios 
ios_base 
iostream 
iostream_category (since C++11) 
iota<>() (since C++11) 
is_abstract<> (since C++11) 
is_abstract_v<> (since C++17) 
is_aggregate<> (since C++17) 
is_aggregate_v<> (since C++17) 
is_arithmetic<> (since C++11) 
is_arithmetic_v<> (since C++17) 
is_array<> (since C++11) 
is_array_v<> (since C++17) 
is_assignable<> (since C++11) 
is_assignable_v<> (since C++17) 
is_base_of<> (since C++11) 
is_base_of_v<> (since C++17) 
is_bind_expression<> (since C++11) 
is_bind_expression_v<> (since C++17) 
is_bounded_array<> (since C++20) 
is_bounded_array_v<> (since C++20) 
is_class<> (since C++11) 
is_class_v<> (since C++17) 
is_compound<> (since C++11) 
is_compound_v<> (since C++17) 
is_const<> (since C++11) 
is_const_v<> (since C++17) 
is_constant_evaluated() (since C++20) 
is_constructible<> (since C++11) 
is_constructible_v<> (since C++17) 
is_convertible<> (since C++11) 
is_convertible_v<> (since C++17) 
is_copy_assignable<> (since C++11) 
is_copy_assignable_v<> (since C++17) 
is_copy_constructible<> (since C++11) 
is_copy_constructible_v<> (since C++17) 
is_default_constructible<> (since C++11) 
is_default_constructible_v<> (since C++17) 
is_destructible<> (since C++11) 
is_destructible_v<> (since C++17) 
is_empty<> (since C++11) 
is_empty_v<> (since C++17) 
is_enum<> (since C++11) 
is_enum_v<> (since C++17) 
is_eq() (since C++20) 
is_error_code_enum<>() (since C++11) 
is_error_condition_enum (since C++11) 
is_error_condition_enum_v (since C++17) 
is_execution_policy<> (since C++17) 
is_execution_policy_v<> (since C++17) 
is_final<> (since C++14) 
is_final_v<> (since C++17) 
is_floating_point<> (since C++11) 
is_floating_point_v<> (since C++17) 
is_function<> (since C++11) 
is_function_v<> (since C++17) 
is_fundamental<> (since C++11) 
is_fundamental_v<> (since C++17) 
is_gt() (since C++20) 
is_gteq() (since C++20) 
is_heap<>() (since C++11) 
is_heap_until<>() (since C++11) 
is_integral<> (since C++11) 
is_integral_v<> (since C++17) 
is_invocable<> (since C++17) 
is_invocable_r<> (since C++17) 
is_invocable_r_v<> (since C++17) 
is_invocable_v<> (since C++17) 
is_lt() (since C++20) 
is_lteq() (since C++20) 
is_lvalue_reference<> (since C++11) 
is_lvalue_reference_v<> (since C++17) 
is_member_function_pointer<> (since C++11) 
is_member_function_pointer_v<> (since C++17) 
is_member_object_pointer<> (since C++11) 
is_member_object_pointer_v<> (since C++17) 
is_member_pointer<> (since C++11) 
is_member_pointer_v<> (since C++17) 
is_move_assignable<> (since C++11) 
is_move_assignable_v<> (since C++17) 
is_move_constructible<> (since C++11) 
is_move_constructible_v<> (since C++17) 
is_neq() (since C++20) 
is_nothrow_assignable<> (since C++11) 
is_nothrow_assignable_v<> (since C++17) 
is_nothrow_constructible<> (since C++11) 
is_nothrow_constructible_v<> (since C++17) 
is_nothrow_convertible<> (since C++20) 
is_nothrow_convertible_v<> (since C++20) 
is_nothrow_copy_assignable<> (since C++11) 
is_nothrow_copy_assignable_v<> (since C++17) 
is_nothrow_copy_constructible<> (since C++11) 
is_nothrow_copy_constructible_v<> (since C++17) 
is_nothrow_default_constructible<> (since C++11) 
is_nothrow_default_constructible_v<> (since C++17) 
is_nothrow_destructible<> (since C++11) 
is_nothrow_destructible_v<> (since C++17) 
is_nothrow_invocable<> (since C++17) 
is_nothrow_invocable_r<> (since C++17) 
is_nothrow_invocable_v<> (since C++17) 
is_nothrow_invocable_r_v<> (since C++17) 
is_nothrow_move_assignable<> (since C++11) 
is_nothrow_move_assignable_v<> (since C++17) 
is_nothrow_move_constructible<> (since C++11) 
is_nothrow_move_constructible_v<> (since C++17) 
is_nothrow_swappable<> (since C++17) 
is_nothrow_swappable_v<> (since C++17) 
is_nothrow_swappable_with<> (since C++17) 
is_nothrow_swappable_with_v<> (since C++17) 
is_null_pointer<> (since C++11) 
is_null_pointer_v<> (since C++17) 
is_object<> (since C++11) 
is_object_v<> (since C++17) 
is_partitioned<>() (since C++11) 
is_permutation<>() (since C++11) 
is_placeholder<> (since C++11) 
is_placeholder_v<> (since C++17) 
is_pod<> (since C++11)(deprecated in C++20) 
is_pod_v<> (since C++17)(deprecated in C++20) 
is_pointer<> (since C++11) 
is_pointer_v<> (since C++17) 
is_polymorphic<> (since C++11) 
is_polymorphic_v<> (since C++17) 
is_reference<> (since C++11) 
is_reference_v<> (since C++17) 
is_rvalue_reference<> (since C++11) 
is_rvalue_reference_v<> (since C++17) 
is_same<> (since C++11) 
is_same_v<> (since C++17) 
is_scalar<> (since C++11) 
is_scalar_v<> (since C++17) 
is_signed<> (since C++11) 
is_signed_v<> (since C++17) 
is_sorted<>() (since C++11) 
is_sorted_until<>() (since C++11) 
is_standard_layout<> (since C++11) 
is_standard_layout_v<> (since C++17) 
is_swappable<> (since C++17) 
is_swappable_v<> (since C++17) 
is_swappable_with<> (since C++17) 
is_swappable_with_v<> (since C++17) 
is_trivial<> (since C++11) 
is_trivially_assignable<> (since C++11) 
is_trivially_assignable_v<> (since C++17) 
is_trivially_constructible<> (since C++11) 
is_trivially_constructible_v<> (since C++17) 
is_trivially_copyable<> (since C++11) 
is_trivially_copyable_v<> (since C++17) 
is_trivially_copy_assignable<> (since C++11) 
is_trivially_copy_assignable_v<> (since C++17) 
is_trivially_copy_constructible<> (since C++11) 
is_trivially_copy_constructible_v<> (since C++17) 
is_trivially_default_constructible<> (since C++11) 
is_trivially_default_constructible_v<> (since C++17) 
is_trivially_destructible<> (since C++11) 
is_trivially_destructible_v<> (since C++17) 
is_trivially_move_assignable<> (since C++11) 
is_trivially_move_assignable_v<> (since C++17) 
is_trivially_move_constructible<> (since C++11) 
is_trivially_move_constructible_v<> (since C++17) 
is_trivial_v<> (since C++17) 
is_unbounded_array<> (since C++20) 
is_unbounded_array_v<> (since C++20) 
is_union<> (since C++11) 
is_union_v<> (since C++17) 
is_unsigned<> (since C++11) 
is_unsigned_v<> (since C++17) 
is_void<> (since C++11) 
is_void_v<> (since C++17) 
is_volatile<> (since C++11) 
is_volatile_v<> (since C++17) 
isalnum() 
isalnum<>() (locale) 
isalpha() 
isalpha<>() (locale) 
isblank() (since C++11) 
isblank<>() (locale) (since C++11) 
iscntrl() 
iscntrl<>() (locale) 
isdigit() 
isdigit<>() (locale) 
isfinite() (since C++11) 
isgraph() 
isgraph<>() (locale) 
isgreater() (since C++11) 
isgreaterequal() (since C++11) 
isinf() (since C++11) 
isless() (since C++11) 
islessequal() (since C++11) 
islessgreater() (since C++11) 
islower() 
islower<>() (locale) 
isnan() (since C++11) 
isnormal() (since C++11) 
ispow2<>() (since C++20) 
isprint() 
isprint<>() (locale) 
ispunct() 
ispunct<>() (locale) 
isspace() 
isspace<>() (locale) 
istream 
istreambuf_iterator<> 
istream_iterator<> 
istringstream 
istrstream (deprecated in C++98) 
isunordered() (since C++11) 
isupper() 
isupper<>() (locale) 
iswalnum() 
iswalpha() 
iswblank() (since C++11) 
iswcntrl() 
iswctype() 
iswdigit() 
iswgraph() 
iswlower() 
iswprint() 
iswpunct() 
iswspace() 
iswupper() 
iswxdigit() 
isxdigit() 
isxdigit<>() (locale) 
iter_common_reference_t<> (since C++20) 
iter_difference_t<> (since C++20) 
iter_reference_t<> (since C++20) 
iter_rvalue_reference_t<> (since C++20) 
iter_swap<>() 
iter_value_t<> (since C++20) 
Iterator (since C++20) 
iterator<> (deprecated in C++17) 
iterator_traits<> 
J
K
kill_dependency<>() (since C++11) 
kilo (since C++11) 
knuth_b (since C++11) 
L
labs() 
laguerre() (since C++17) 
laguerref() (since C++17) 
laguerrel() (since C++17) 
launch (since C++11) 
launder<>()  (since C++17) 
lcm<>() (since C++17) 
lconv 
ldexp() 
ldexpf() (since C++11) 
ldexpl() (since C++11) 
ldiv() 
ldiv_t 
left() 
legendre() (since C++17) 
legendref() (since C++17) 
legendrel() (since C++17) 
length_error 
lerp() (since C++20) 
less<> 
less_equal<> 
lexicographical_compare<>() 
lexicographical_compare_3way<>() (since C++20) 
lgamma() (since C++11) 
lgammaf() (since C++11) 
lgammal() (since C++11) 
linear_congruential_engine<> (since C++11) 
list<> 
▶ literals (since C++14) 
little_endian (since C++11)(deprecated in C++17) 
llabs() (since C++11) 
lldiv() (since C++11) 
lldiv_t (since C++11) 
llrint() (since C++11) 
llrintf() (since C++11) 
llrintl() (since C++11) 
llround() (since C++11) 
llroundf() (since C++11) 
llroundl() (since C++11) 
locale 
localeconv() 
localtime() 
lock<>() (since C++11) 
lock_guard<> (since C++11) 
log() 
log<>() (std::complex) 
log<>() (std::valarray) 
log10() 
log10<>() (std::complex) 
log10<>() (std::valarray) 
log10f() (since C++11) 
log10l() (since C++11) 
log1p() (since C++11) 
log1pf() (since C++11) 
log1pl() (since C++11) 
log2() (since C++11) 
log2f() (since C++11) 
log2l() (since C++11) 
log2p1<>() (since C++20) 
logb() (since C++11) 
logbf() (since C++11) 
logbl() (since C++11) 
logf() (since C++11) 
logic_error 
logical_and<> 
logical_not<> 
logical_or<> 
logl() (since C++11) 
lognormal_distribution<> (since C++11) 
longjmp() 
lower_bound<>() 
lrint() (since C++11) 
lrintf() (since C++11) 
lrintl() (since C++11) 
lround() (since C++11) 
lroundf() (since C++11) 
lroundl() (since C++11) 
M
make_any<>() (since C++17) 
make_error_code (std::errc) (since C++11) 
make_error_code (std::io_errc) (since C++11) 
make_error_condition (std::errc) (since C++11) 
make_error_condition (std::io_errc) (since C++11) 
make_exception_ptr<>() (since C++11) 
make_from_tuple<>() (since C++17) 
make_heap<>() 
make_move_iterator<>() (since C++11) 
make_obj_using_allocator<>() (since C++20) 
make_optional<>() (since C++17) 
make_pair<> 
make_reverse_iterator<>() (since C++14) 
make_shared<>() (since C++11) 
make_shared_default_init<>() (since C++20) 
make_signed<> (since C++11) 
make_signed_t<> (since C++14) 
make_tuple<>() (since C++11) 
make_unique<>() (since C++14) 
make_unique_default_init<>() (since C++20) 
make_unsigned<> (since C++11) 
make_unsigned_t<> (since C++14) 
malloc() 
map<> 
mask_array<> 
match_results<> (since C++11) 
max<>() 
max_align_t (since C++11) 
max_element<>() 
mblen() 
mbrlen() 
mbrtoc16() (since C++11) 
mbrtoc32() (since C++11) 
mbrtoc8() (since C++20) 
mbrtowc() 
mbsinit() 
mbsrtowcs() 
mbstate_t 
mbstowcs() 
mbtowc() 
mega (since C++11) 
mem_fn<>() (since C++11) 
memchr() 
memcmp() 
memcpy() 
memmove() 
memory_order (since C++11) 
memory_order_acq_rel (since C++11) 
memory_order_acquire (since C++11) 
memory_order_consume (since C++11) 
memory_order_relaxed (since C++11) 
memory_order_release (since C++11) 
memory_order_seq_cst (since C++11) 
memset() 
merge<>() 
Mergeable (since C++20) 
mersenne_twister_engine<> (since C++11) 
messages<> 
messages_base 
messages_byname<> 
micro (since C++11) 
midpoint<>() (since C++20) 
milli (since C++11) 
min<>() 
min_element<>() 
minmax<>() (since C++11) 
minmax_element<>() (since C++11) 
minstd_rand (since C++11) 
minstd_rand0 (since C++11) 
minus<> 
mismatch<>() 
mktime() 
modf() 
modff() (since C++11) 
modfl() (since C++11) 
modulus<> 
money_base 
money_get<> 
moneypunct<> 
moneypunct_byname<> 
money_put<> 
monostate (since C++17) 
Movable (since C++20) 
move<>() (algorithm) (since C++11) 
move<>() (utility) (since C++11) 
move_backward<>() (since C++11) 
move_if_noexcept<>() (since C++11) 
move_iterator<> (since C++11) 
move_sentinel<> (since C++20) 
MoveConstructible (since C++20) 
mt19937 (since C++11) 
mt19937_64 (since C++11) 
multimap<> 
multiplies<> 
multiset<> 
mutex (since C++11) 
N
nan() (since C++11) 
nanf() (since C++11) 
nanl() (since C++11) 
nano (since C++11) 
nearbyint() (since C++11) 
nearbyintf() (since C++11) 
nearbyintl() (since C++11) 
negate<> 
negation<> (since C++17) 
negation_v<> (since C++17) 
negative_binomial_distribution<> (since C++11) 
nested_exception (since C++11) 
new_handler 
next<>() (since C++11) 
next_permutation<>() 
nextafter() (since C++11) 
nextafterf() (since C++11) 
nextafterl() (since C++11) 
nexttoward() (since C++11) 
nexttowardf() (since C++11) 
nexttowardl() (since C++11) 
no_emit_on_flush<>() (since C++20) 
noboolalpha() 
none_of<>() (since C++11) 
norm<>() 
normal_distribution<> (since C++11) 
noshowbase() 
noshowpoint() 
noshowpos() 
noskipws() 
not_equal_to<> 
not_fn<>() (since C++17) 
nothrow 
nothrow_t 
notify_all_at_thread_exit() (since C++11) 
nounitbuf() 
nouppercase() 
nth_element<>() 
nullopt (since C++17) 
nullopt_t (since C++17) 
nullptr_t (since C++11) 
numeric_limits<> 
num_get<> 
numpunct<> 
numpunct_byname<> 
num_put<> 
O
oct() 
once_flag (since C++11) 
ofstream 
optional<> (since C++17) 
ostream 
ostreambuf_iterator<> 
ostream_iterator<> 
ostringstream 
ostrstream (deprecated in C++98) 
osyncstream (since C++20) 
out_of_range 
output_iterator_tag 
OutputIterator (since C++20) 
overflow_error 
owner_less<> (since C++11) 
P
packaged_task<> (since C++11) 
pair<> 
partial_order<>()  (since C++20) 
partial_ordering  (since C++20) 
partial_sort<>() 
partial_sort_copy<>() 
partial_sum<>() 
partition<>() 
partition_copy<>() (since C++11) 
partition_point<>() (since C++11) 
Permutable (since C++20) 
perror() 
peta (since C++11) 
pico (since C++11) 
piecewise_constant_distribution<> (since C++11) 
piecewise_construct (since C++11) 
piecewise_construct_t (since C++11) 
piecewise_linear_distribution<> (since C++11) 
▶ placeholders (since C++11) 
plus<> 
▶ pmr (since C++17) 
pointer_safety (since C++11) 
pointer_traits<> (since C++11) 
poisson_distribution<> (since C++11) 
polymorphic_allocator<> (since C++17) 
polar<>() 
pop_heap<>() 
pow() 
pow<>() (std::complex) 
pow<>() (std::valarray) 
powf() (since C++11) 
powl() (since C++11) 
Predicate (since C++20) 
prev<>() (since C++11) 
prev_permutation<>() 
printf() 
priority_queue<> 
proj<>() (since C++11) 
projected<> (since C++20) 
promise<> (since C++11) 
ptrdiff_t 
push_heap<>() 
put_money<>() (since C++11) 
put_time<>() (since C++11) 
putc() 
putchar() 
puts() 
putwc() 
putwchar() 
Q
qsort() 
queue<> 
quick_exit() (since C++11) 
quoted<>() (since C++14) 
R
raise() 
rand() 
random_access_iterator_tag 
random_device (since C++11) 
RandomAccessIterator (since C++20) 
range_error 
▶ ranges (since C++20) 
ranlux24 (since C++11) 
ranlux24_base (since C++11) 
ranlux48 (since C++11) 
ranlux48_base (since C++11) 
rank<> (since C++11) 
rank_v<> (since C++17) 
ratio (since C++11) 
ratio_add<> (since C++11) 
ratio_divide<> (since C++11) 
ratio_equal<> (since C++11) 
ratio_equal_v<> (since C++17) 
ratio_greater<> (since C++11) 
ratio_greater_equal<> (since C++11) 
ratio_greater_equal_v<> (since C++17) 
ratio_greater_v<> (since C++17) 
ratio_less<> (since C++11) 
ratio_less_equal<> (since C++11) 
ratio_less_equal_v<> (since C++17) 
ratio_less_v<> (since C++17) 
ratio_multiply<> (since C++11) 
ratio_not_equal<> (since C++11) 
ratio_not_equal_v<> (since C++17) 
ratio_subtract<> (since C++11) 
rbegin<>() (since C++14) 
Readable (since C++20) 
readable_traits<> (since C++20) 
real<>() 
realloc() 
recursive_mutex (since C++11) 
recursive_timed_mutex (since C++11) 
reduce<>() (since C++17) 
ref<>() (since C++11) 
reference_wrapper<> (since C++11) 
regex (since C++11) 
▶ regex_constants (since C++11) 
regex_error (since C++11) 
regex_iterator<> (since C++11) 
regex_match<> (since C++11) 
regex_replace<> (since C++11) 
regex_search<> (since C++11) 
regex_token_iterator<> (since C++11) 
regex_traits<> (since C++11) 
Regular (since C++20) 
RegularInvocable (since C++20) 
reinterpret_pointer_cast<>() (since C++11) 
▶ rel_ops (deprecated in C++20) 
Relation (since C++20) 
remainder() (since C++11) 
remainderf() (since C++11) 
remainderl() (since C++11) 
remove() 
remove<>() (algorithm) 
remove_all_extents<> (since C++11) 
remove_all_extents_t<> (since C++14) 
remove_const<> (since C++11) 
remove_const_t<> (since C++14) 
remove_copy<>() 
remove_copy_if<>() 
remove_cv<> (since C++11) 
remove_cv_t<> (since C++14) 
remove_cvref<> (since C++20) 
remove_cvref_t<> (since C++20) 
remove_extent<> (since C++11) 
remove_extent_t<> (since C++14) 
remove_pointer<> (since C++11) 
remove_pointer_t<> (since C++14) 
remove_reference<> (since C++11) 
remove_reference_t<> (since C++14) 
remove_volatile<> (since C++11) 
remove_volatile_t<> (since C++14) 
remquo() (since C++11) 
remquof() (since C++11) 
remquol() (since C++11) 
rend<>() (since C++14) 
rename() 
replace<>() 
replace_copy<>() 
replace_copy_if<>() 
replace_if<>() 
resetiosflags() 
rethrow_exception (since C++11) 
rethrow_if_nested<>() (since C++11) 
reverse<>() 
reverse_copy<>() 
reverse_iterator<> 
rewind() 
riemann_zeta() (since C++17) 
riemann_zetaf() (since C++17) 
riemann_zetal() (since C++17) 
right() 
rint() (since C++11) 
rintf() (since C++11) 
rintl() (since C++11) 
rotate<>() 
rotate_copy<>() 
round() (since C++11) 
roundf() (since C++11) 
roundl() (since C++11) 
round_indeterminate 
round_to_nearest 
round_toward_infinity 
round_toward_neg_infinity 
round_toward_zero 
runtime_error 
S
Same (since C++20) 
sample<>() (since C++17) 
scalbln() (since C++11) 
scalblnf() (since C++11) 
scalblnl() (since C++11) 
scalbn() (since C++11) 
scalbnf() (since C++11) 
scalbnl() (since C++11) 
scanf() 
scientific() 
scoped_allocator_adaptor<> (since C++11) 
search<>() 
search_n<>() 
seed_seq (since C++11) 
Semiregular (since C++20) 
Sentinel (since C++20) 
set<> 
set_difference<>() 
set_intersection<>() 
set_new_handler() 
set_symmetric_difference<>() 
set_terminate() 
set_union<>() 
setbase() 
setbuf() 
setfill<>() 
setiosflags() 
setlocale() 
setprecision() 
setvbuf() 
setw() 
shared_future<> (since C++11) 
shared_lock<> (since C++14) 
shared_mutex (since C++17) 
shared_ptr<> (since C++11) 
shared_timed_mutex (since C++14) 
shift_left<>() (since C++20) 
shift_right<>() (since C++20) 
showbase() 
showpoint() 
showpos() 
shuffle<>() (since C++11) 
shuffle_order_engine<> (since C++11) 
sig_atomic_t 
signal() 
signbit() (since C++11) 
SignedIntegral (since C++20) 
sin() 
sin<>() (std::complex) 
sin<>() (std::valarray) 
sinf() (since C++11) 
sinh() 
sinh<>() (std::complex) 
sinh<>() (std::valarray) 
sinhf() (since C++11) 
sinhl() (since C++11) 
sinl() (since C++11) 
size<>() (since C++17) 
size_t 
SizedSentinel (since C++20) 
skipws() 
slice 
slice_array<> 
smatch (since C++11) 
snprintf() (since C++11) 
sort<>() 
sort_heap<>() 
Sortable (since C++20) 
span<> (since C++20) 
sph_bessel() (since C++17) 
sph_besself() (since C++17) 
sph_bessell() (since C++17) 
sph_legendre() (since C++17) 
sph_legendref() (since C++17) 
sph_legendrel() (since C++17) 
sph_neumann() (since C++17) 
sph_neumannf() (since C++17) 
sph_neumannl() (since C++17) 
sprintf() 
sqrt() 
sqrt<>() (std::complex) 
sqrt<>() (std::valarray) 
sqrtf() (since C++11) 
sqrtl() (since C++11) 
srand() 
sregex_iterator (since C++11) 
sregex_token_iterator (since C++11) 
sscanf() 
ssize<>() (since C++20) 
ssub_match (since C++11) 
stable_partition<>() 
stable_sort<>() 
stack<> 
static_pointer_cast<>() (since C++11) 
strcat() 
strchr() 
strcmp() 
strcoll() 
strcpy() 
strcspn() 
streambuf 
streamoff 
streampos 
streamsize 
strerror() 
strftime() 
StrictTotallyOrdered (since C++20) 
StrictTotallyOrderedWith (since C++20) 
StrictWeakOrder (since C++20) 
string 
▶ string_literals (since C++14) 
string_view (since C++17) 
▶ string_view_literals (since C++17) 
stringbuf 
stringstream 
strlen() 
strncat() 
strncmp() 
strncpy() 
strong_equal<>()  (since C++20) 
strong_equality  (since C++20) 
strong_order<>()  (since C++20) 
strong_ordering  (since C++20) 
strpbrk() 
strrchr() 
strspn() 
strstr() 
strstream (deprecated in C++98)  
strstreambuf (deprecated in C++98) 
strtod() 
strtof() (since C++11) 
strtoimax() (since C++11) 
strtok() 
strtol() 
strtold() 
strtoll() (since C++11) 
strtoul() 
strtoull() (since C++11) 
strtoumax() (since C++11) 
strxfrm() 
syncbuf (since C++20) 
student_t_distribution<> (since C++11) 
sub_match<> (since C++11) 
subtract_with_carry_engine<> (since C++11) 
swap<>() 
swap_ranges<>() 
Swappable (since C++20) 
SwappableWith (since C++20) 
swprintf() 
swscanf() 
system() 
system_category (since C++11) 
system_error (since C++11) 
T
tan() 
tan<>() (std::complex) 
tan<>() (std::valarray) 
tan() 
tanf() (since C++11) 
tanh() 
tanh<>() (std::complex) 
tanh<>() (std::valarray) 
tanhf() (since C++11) 
tanhl() (since C++11) 
tanl() (since C++11) 
tera (since C++11) 
terminate() 
terminate_handler 
tgamma() (since C++11) 
tgammaf() (since C++11) 
tgammal() (since C++11) 
▶ this_thread 
thread (since C++11) 
throw_with_nested<>() (since C++11) 
tie<>() (since C++11) 
time() 
time_base 
time_get<> 
time_get_byname<> 
time_put<> 
time_put_byname<> 
time_t 
timed_mutex (since C++11) 
timespec (since C++17) 
timespec_get() (since C++17) 
tm 
tmpfile() 
tmpnam() 
to_integer<>() (since C++17) 
to_address<>() (since C++20) 
to_chars() (since C++17) 
to_string() (since C++11) 
tolower() 
tolower<>() (locale) 
toupper() 
toupper<>() (locale) 
towctrans() 
towlower() 
towupper() 
transform<>() 
transform_exclusive_scan<>() (since C++17) 
transform_inclusive_scan<>() (since C++17) 
transform_reduce<>() (since C++17) 
true_type (since C++11) 
trunc() (since C++11) 
truncf() (since C++11) 
truncl() (since C++11) 
try_lock<>() (since C++11) 
try_to_lock (since C++11) 
try_to_lock_t (since C++11) 
tuple<> (since C++11) 
tuple_cat<>() (since C++11) 
tuple_element<> (std::array) (since C++11) 
tuple_element<> (std::pair) (since C++11) 
tuple_element<> (std::tuple) (since C++11) 
tuple_size<>() (std::array) (since C++11) 
tuple_size<>() (std::pair) (since C++11) 
tuple_size<>() (std::tuple) (since C++11) 
type_identity<> (since C++20) 
type_identity_t<> (since C++20) 
type_index (since C++11) 
type_info 
U
u16streampos<> (since C++11) 
u16string (since C++11) 
u16string_view (since C++17) 
u32streampos<> (since C++11) 
u32string (since C++11) 
u32string_view (since C++17) 
u8streampos<> (since C++20) 
u8string (since C++20) 
u8string_view (since C++20) 
uint_fast16_t (since C++11) 
uint_fast32_t (since C++11) 
uint_fast64_t (since C++11) 
uint_fast8_t (since C++11) 
uint_least16_t (since C++11) 
uint_least32_t (since C++11) 
uint_least64_t (since C++11) 
uint_least8_t (since C++11) 
uint16_t (since C++11) 
uint32_t (since C++11) 
uint64_t (since C++11) 
uint8_t (since C++11) 
uintmax_t (since C++11) 
uintptr_t (since C++11) 
uncaught_exceptions (since C++17) 
undeclare_no_pointers() (since C++11) 
undeclare_reachable<>() (since C++11) 
underflow_error 
underlying_type<> (since C++11) 
underlying_type_t<> (since C++14) 
ungetc() 
ungetwc() 
uniform_int_distribution<> (since C++11) 
uniform_real_distribution<> (since C++11) 
UniformRandomBitGenerator (since C++20) 
uninitialized_construct_using_allocator<>() (since C++20) 
uninitialized_copy<>() 
uninitialized_copy_n<>() (since C++11) 
uninitialized_default_construct<>() (since C++17) 
uninitialized_default_construct_n<>() (since C++17) 
uninitialized_fill<>() 
uninitialized_fill_n<>() 
uninitialized_move<>() (since C++17) 
uninitialized_move_n<>() (since C++17) 
uninitialized_value_construct<>() (since C++17) 
uninitialized_value_construct_n<>() (since C++17) 
unique<>() 
unique_copy<>() 
unique_lock<> (since C++11) 
unique_ptr<> (since C++11) 
unitbuf() 
unordered_map<> (since C++11) 
unordered_multimap<> (since C++11) 
unordered_multiset<> (since C++11) 
unordered_set<> (since C++11) 
unreachable_sentinel (since C++20) 
unreachable_sentinel_t (since C++20) 
UnsignedIntegral (since C++20) 
upper_bound<>() 
uppercase() 
use_facet<>() 
uses_allocator<> (since C++11) 
uses_allocator_v<> (since C++17) 
uses_allocator_construction_args<>() (since C++20) 
V
va_list 
valarray<> 
variant<> (since C++17) 
variant_alternative<> (since C++17) 
variant_alternative_t<> (since C++17) 
variant_npos (since C++17) 
variant_size<> (since C++17) 
variant_size_v<> (since C++17) 
vector<> 
vfprintf() 
vfscanf() (since C++11) 
vfwprintf() 
vfwscanf() (since C++11) 
▶ view (since C++20) 
visit<>() (since C++17) 
void_t (since C++17) 
vprintf() 
vscanf() (since C++11) 
vsnprintf() (since C++11) 
vsprintf() 
vsscanf() (since C++11) 
vswprintf()
vswscanf() (since C++11) 
vwprintf()
vwscanf() (since C++11) 
W
wbuffer_convert<>() (since C++11)(deprecated in C++17) 
wcerr 
wcin 
wclog 
wcmatch (since C++11) 
wcout 
wcregex_iterator (since C++11) 
wcregex_token_iterator (since C++11) 
wcrtomb() 
wcscat() 
wcschr() 
wcscmp() 
wcscoll() 
wcscpy() 
wcscspn() 
wcsftime() 
wcslen() 
wcsncat() 
wcsncmp() 
wcsncpy() 
wcspbrk() 
wcsrchr() 
wcsrtombs() 
wcsspn() 
wcsstr() 
wcstod() 
wcstof() (since C++11) 
wcstoimax() (since C++11) 
wcstok() 
wcstol() 
wcstold() (since C++11) 
wcstoll() (since C++11) 
wcstombs() 
wcstoul() 
wcstoull() (since C++11) 
wcstoumax() (since C++11) 
wcsub_match (since C++11) 
wcsxfrm() 
wctob() 
wctomb() 
wctrans() 
wctrans_t 
wctype() 
wctype_t 
weak_equal<>()  (since C++20) 
weak_equality  (since C++20) 
weak_order<>()  (since C++20) 
weak_ordering  (since C++20) 
weak_ptr<>  (since C++11) 
WeaklyIncrementable (since C++20) 
weibull_distribution<> (since C++11) 
wfilebuf 
wfstream 
wifstream 
wint_t
wios 
wiostream 
wistream 
wistringstream 
wmemchr() 
wmemcmp() 
wmemcpy() 
wmemmove() 
wmemset() 
wofstream 
wostream 
wosyncstream (since C++20) 
wstreambuf 
ws<>() 
wstreampos 
wostringstream 
wprintf() 
wregex (since C++11) 
Writable (since C++20) 
wscanf() 
wsmatch (since C++11) 
wsregex_iterator (since C++11) 
wsregex_token_iterator (since C++11) 
wssub_match (since C++11) 
wstring 
wstring_convert<>() (since C++11)(deprecated in C++17) 
wstring_view<> (since C++17) 
wstringbuf 
wstringstream 
wsyncbuf (since C++20) 
X
Y
yocto (since C++11) 
yotta (since C++11) 
Z
zepto (since C++11) 
zetta (since C++11)