Typedef Acts::Concepts::is_detected¶
Defined in File TypeTraits.hpp
Typedef Documentation¶
-
using
Acts::Concepts
::
is_detected
= typename detail::detector<detail::nonesuch, void, Op, Args...>::value_t¶ This type ties together the detection idiom.
It instantiates the
detector
template with theOp
andArgs
and resolves to the exact value type. In essence, ifOp<Args...>
succeeds, this will evaluate tostd::true_type
, and if not, it will evaluate tostd::false_type
.- Template Parameters
Op
: The operation to testArgs
: The arguments to the operation