21 Strings library [strings]

21.3 String classes [string.classes]

21.3.1 Class template basic_string [basic.string]

21.3.1.6 basic_string modifiers [string.modifiers]

21.3.1.6.1 basic_string::operator+= [string.op+=]

basic_string& operator+=(const basic_string& str);

1

Effects: Calls append(str).

2

Returns: *this.

basic_string& operator+=(basic_string_view<charT, traits> sv);

3

Effects: Calls append(sv).

4

Returns: *this.

basic_string& operator+=(const charT* s);

5

Effects: Calls append(s).

6

Returns: *this.

basic_string& operator+=(charT c);

7

Effects: Calls push_back(c);

8

Returns: *this.

basic_string& operator+=(initializer_list<charT> il);

9

Effects: Calls append(il).

10

Returns: *this.