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>.