reuse IndexSequence from googletest
This commit is contained in:
parent
90a443f9c2
commit
6a015ca1cb
|
@ -506,19 +506,8 @@ struct BooleanConstant {};
|
|||
// reduce code size.
|
||||
GTEST_API_ void IllegalDoDefault(const char* file, int line);
|
||||
|
||||
// Helper types for Apply() below.
|
||||
template <size_t... Is> struct int_pack { typedef int_pack type; };
|
||||
|
||||
template <class Pack, size_t I> struct append;
|
||||
template <size_t... Is, size_t I>
|
||||
struct append<int_pack<Is...>, I> : int_pack<Is..., I> {};
|
||||
|
||||
template <size_t C>
|
||||
struct make_int_pack : append<typename make_int_pack<C - 1>::type, C - 1> {};
|
||||
template <> struct make_int_pack<0> : int_pack<> {};
|
||||
|
||||
template <typename F, typename Tuple, size_t... Idx>
|
||||
auto ApplyImpl(F&& f, Tuple&& args, int_pack<Idx...>) -> decltype(
|
||||
auto ApplyImpl(F&& f, Tuple&& args, IndexSequence<Idx...>) -> decltype(
|
||||
std::forward<F>(f)(std::get<Idx>(std::forward<Tuple>(args))...)) {
|
||||
return std::forward<F>(f)(std::get<Idx>(std::forward<Tuple>(args))...);
|
||||
}
|
||||
|
@ -527,9 +516,9 @@ auto ApplyImpl(F&& f, Tuple&& args, int_pack<Idx...>) -> decltype(
|
|||
template <typename F, typename Tuple>
|
||||
auto Apply(F&& f, Tuple&& args)
|
||||
-> decltype(ApplyImpl(std::forward<F>(f), std::forward<Tuple>(args),
|
||||
make_int_pack<std::tuple_size<Tuple>::value>())) {
|
||||
MakeIndexSequence<std::tuple_size<Tuple>::value>())) {
|
||||
return ApplyImpl(std::forward<F>(f), std::forward<Tuple>(args),
|
||||
make_int_pack<std::tuple_size<Tuple>::value>());
|
||||
MakeIndexSequence<std::tuple_size<Tuple>::value>());
|
||||
}
|
||||
|
||||
// Template struct Function<F>, where F must be a function type, contains
|
||||
|
|
Loading…
Reference in New Issue
Block a user