Boost C++ Libraries

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string::operator+= (1 of 2 overloads)

Append characters from a string.

Synopsis

string&
operator+=(
    string_view sv);

Description

Appends {sv.begin(), sv.end()) to the end of the string.

Exception Safety

Strong guarantee.

Return Value

*this

Parameters

Name	Description
`sv`	The `string_view` to append.

Exceptions

Type	Thrown On
`std::length_error`	`size() + sv.size() > max_size()`