Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.

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

Append a character.

Synopsis

string&
operator+=(
    char ch);

Description

Appends a character to the end of the string.

Exception Safety

Strong guarantee.

Parameters

Name	Description
`ch`	The character to append.

Exceptions

Type	Thrown On
boost::system::system_error	`size() + 1 > max_size()`.