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 develop branch, built from commit aed63fac91.
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value::is_null

Returns true if this is a null.

Synopsis
bool
is_null() const noexcept;
Description

This function is used to determine if the underlying representation is a certain kind.

Effects
return this->kind() == kind::null;
Complexity

Constant.

Exception Safety

No-throw guarantee.


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