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

	(1)
`basic_string& erase( size_type index = 0, size_type count = npos );`			(C++20)
`constexpr basic_string& erase( size_type index = 0, size_type count = npos );`			(C++20)
		(2)
`iterator erase( iterator position );`				(C++11)
`iterator erase( const_iterator position );`				(C++11) (C++20)
`constexpr iterator erase( const_iterator position );`				(C++20)
			(3)
`iterator erase( iterator first, iterator last );`					(C++11)
`iterator erase( const_iterator first, const_iterator last );`					(C++11) (C++20)
`constexpr iterator erase( const_iterator first, const_iterator last );`					(C++20)

1) index min(count, size() - index)

2) position

3) [first, last)

index	-
count	-
position	-
first, last	-

1) *this

2) end()

3) last end()

1) index > size() std::out_of_range

2-3) ()

() (C++11)

Run this code

#include <iostream>
#include <algorithm>
#include <string>

int main()
{
    std::string s = "This is an example";
    std::cout << s << '\n';

    s.erase(0, 5); // "This " 
    std::cout << s << '\n';

    s.erase(std::find(s.begin(), s.end(), ' ')); // ' ' 
    std::cout << s << '\n';

    s.erase(s.find(' ')); // ' ' 
    std::cout << s << '\n';
}

:

This is an example
is an example
isan example
isan

clear

() [edit]

cppreference.com

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