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 a snapshot of the master branch, built from commit 7789ef3d8d.
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string::insert (3 of 4 overloads)

Insert a character.

Synopsis
string&
insert(
    size_type pos,
    char ch);
Description

Inserts the character ch before the character at index pos.

Exception Safety

Strong guarantee.

Remarks

All references, pointers, or iterators referring to contained elements are invalidated. Any past-the-end iterators are also invalidated.

Return Value

*this

Parameters

Name

Description

pos

The index to insert at.

ch

The character to insert.

Exceptions

Type

Thrown On

boost::system::system_error

size() + 1 > max_size().

boost::system::system_error

pos > size().


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