Strings » Code units » is_not_number() module

Functions

auto is_not_number(char c) -> bool constexpr noexcept
Returns true if a character is not a number code point.
auto is_not_number(char16_t c) -> bool constexpr noexcept
Returns true if a UTF-16 code unit is not a number code point.
auto is_not_number(char32_t c) -> bool constexpr noexcept
Returns true if a UTF-32 code unit is not a number code point.
auto is_not_number(char8_t c) -> bool constexpr noexcept
Returns true if a UTF-8 code unit is not a number code point.
auto is_not_number(unsigned char c) -> bool constexpr noexcept
Returns true if a character is not a number code point.
auto is_not_number(wchar_t c) -> bool constexpr noexcept
Returns true if a wide character is not a number code point.

Function documentation

bool is_not_number(char c) constexpr noexcept
#include <muu/chars.h>

Returns true if a character is not a number code point.

bool is_not_number(char16_t c) constexpr noexcept
#include <muu/chars.h>

Returns true if a UTF-16 code unit is not a number code point.

bool is_not_number(char32_t c) constexpr noexcept
#include <muu/chars.h>

Returns true if a UTF-32 code unit is not a number code point.

bool is_not_number(char8_t c) constexpr noexcept
#include <muu/chars.h>

Returns true if a UTF-8 code unit is not a number code point.

bool is_not_number(unsigned char c) constexpr noexcept
#include <muu/chars.h>

Returns true if a character is not a number code point.

bool is_not_number(wchar_t c) constexpr noexcept
#include <muu/chars.h>

Returns true if a wide character is not a number code point.