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 1.91.0.

value::value (34 of 35 overloads)

value::value (34 of 35 overloads)

Construct an object.

Synopsis

value(
    object_kind_t,
    storage_ptr sp = {});

Description

This is the fastest way to construct an empty object, using the specified memory resource. The variable object_kind may be passed as the first parameter to select this overload:

Example

// Construct an empty object

value jv( object_kind );

Complexity

Constant.

Exception Safety

No-throw guarantee.

Parameters

Name	Description
`sp`	A pointer to the `memory_resource` to use. The container will acquire shared ownership of the memory resource.

See Also