std::basic_string<CharT,Traits,Allocator>::ends_with

`constexpr bool ends_with( std::basic_string_view<CharT, Traits> sv ) const noexcept;`	(1)	( C++20)
`constexpr bool ends_with( CharT ch ) const noexcept;`	(2)	( C++20)
`constexpr bool ends_with( const CharT* s ) const;`	(3)	( C++20)

, . :

1) sv ( std::basic_string).

2) ch.

3) s, .

std::basic_string_view<CharT, Traits>(data(), size()).ends_with(x), x .

sv		, `std::basic_string`
ch
s		,

true, , false .


`__cpp_lib_starts_ends_with`	`201711L`	(C++20)	: starts_with() ends_with()

#include <cassert>
#include <string>
#include <string_view>

int main()
{
    using namespace std::literals;

    const auto str = "Hello, C++20!"s;

    assert
    (""
        && str.ends_with("C++20!"sv)  // (1)
        && !str.ends_with("c++20!"sv) // (1)
        && str.ends_with("C++20!"s)   // (1)     string_view
        && !str.ends_with("c++20!"s)  // (1)     string_view
        && str.ends_with('!')         // (2)
        && !str.ends_with('?')        // (2)
        && str.ends_with("C++20!")    // (3)
        && !str.ends_with("c++20!")   // (3)
    );
}

starts_with (C++20)	, (public -) []
starts_with (C++20)	, (public - `std::basic_string_view<CharT,Traits>`) []
ends_with (C++20)	, (public - `std::basic_string_view<CharT,Traits>`) []
contains (C++23)	, (public -) []
contains (C++23)	, (public - `std::basic_string_view<CharT,Traits>`) []
compare	(public -) []
substr	(public -) []







(C++20)

(C++20)
(C++11)





(C++20)


/

(C++11)
(C++11)
(C++11)
(C++17)

cppreference.com

std::basic_string<CharT,Traits,Allocator>::ends_with