Commit 70698051 authored by Dominik Charousset's avatar Dominik Charousset

streamlined get_wildcard_position()

parent 67843998
......@@ -57,15 +57,15 @@ enum class wildcard_position {
*/
template<typename Types>
constexpr wildcard_position get_wildcard_position() {
return util::tl_exists<Types, is_anything>::value
? ((util::tl_count<Types, is_anything>::value == 1)
return util::tl_count<Types, is_anything>::value > 1
? wildcard_position::multiple
: (util::tl_count<Types, is_anything>::value == 1
? (std::is_same<typename util::tl_head<Types>::type, anything>::value
? wildcard_position::leading
: (std::is_same<typename util::tl_back<Types>::type, anything>::value
? wildcard_position::trailing
: wildcard_position::in_between))
: wildcard_position::multiple)
: wildcard_position::nil;
: wildcard_position::nil);
}
} // namespace cppa
......
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