对码当歌,猿生几何?

std::basic_string::push_back

From cppreference.com
< cpp‎ | string‎ | basic string
 
 
 
std::basic_string
 
void push_back( CharT ch );

Appends the given character ch to the end of the string.

Parameters

ch - the character to append

Return value

(none)

Complexity

Amortized constant.

Exceptions

If an exception is thrown for any reason, this function has no effect (strong exception guarantee). (since C++11)

If the operation would result in size() > max_size(), throws std::length_error.

See also

(C++11)
removes the last character
(public member function)