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

Construct a double.

value(
    double d,
    storage_ptr sp = {});

Constant.

No-throw guarantee.

Name	Description
`d`	The initial value.
`sp`	A pointer to the `boost::container::pmr::memory_resource` to use. The container will acquire shared ownership of the memory resource.