Boost C++ Libraries

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This is the documentation for a snapshot of the master branch, built from commit 7789ef3d8d.
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value::if_object (2 of 2 overloads)

Return an object pointer if this is an object, else return nullptr

Synopsis
object*
if_object();
Description

If this->kind() == kind::object, returns a pointer to the underlying object. Otherwise, returns nullptr.

Example

The return value is used in both a boolean context and to assign a variable:

if ( auto p = jv.if_object() )
    return *p;
Complexity

Constant.

Exception Safety

No-throw guarantee.


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