Boost C++ Libraries

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This is an older version of Boost and was released in 2022. The current version is 1.89.0.

has_value_from

has_value_from

Determine if T can be converted to value.

Synopsis

Defined in header <boost/json/value_from.hpp>

template<
    class T>
using has_value_from = see-below;

Description

If T can be converted to value via a call to value_from, the static data member value is defined as true. Otherwise, value is defined as false.

See Also

Convenience header <boost/json.hpp>