BloombergLP::bslmf::ResultType_BdeIdiom<t_FUNC, t_FALLBACK, bsl::void_t<t_FUNC::ResultType>>

Specialization of ResultType_BdeIdiom when t_FUNC::ResultType exists.

Synopsis

Declared in <bslmf_resulttype.h>

template<
    class t_FUNC,
    class t_FALLBACK>
struct ResultType_BdeIdiom<t_FUNC, t_FALLBACK, bsl::void_t<t_FUNC::ResultType>>;

Description

This specialization is instantiated by ResultType only if t_FUNC::result_type does not exist and t_FUNC::ResultType does exist.

Type Aliases

NameDescription
type This typedef is an alias to t_FUNC::ResultType.