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 an older version of Boost and was released in 2022. The current version is 1.90.0.

value::as_string (1 of 2 overloads)

value::as_string (1 of 2 overloads)

Return a reference to the underlying string, or throw an exception.

Synopsis

string&
as_string();

Description

If is_string() is true, returns a reference to the underlying string, otherwise throws an exception.

Complexity

Constant.

Exception Safety

Strong guarantee.

Exceptions

Type	Thrown On
`std::invalid_argument`	`! this->is_string()`