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Don't define enable_if_t, since it's not really necessary.

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This commit is contained in:
Matias Fontanini
2015-03-29 15:47:44 -07:00
parent 38ee449921
commit 811270760a
1 changed files with 8 additions and 6 deletions
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14
include/tins/internals.h
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@@ -216,24 +216,26 @@ template <class T, class P, class=void>
struct accepts_type : std::false_type { };
template <class T, class P>
struct accepts_type<T, P, enable_if_t<
std::is_same< decltype( std::declval<T>()(std::declval<P>()) ), bool>::value
>> : std::true_type { };
struct accepts_type<T, P,
typename std::enable_if<
std::is_same< decltype( std::declval<T>()(std::declval<P>()) ), bool>::value
>::type
> : std::true_type { };
// use enable_if to invoke the Packet&& version of the sniff_loop handler if possible - otherwise fail to old behavior
template <class Functor, class Packet>
bool invoke_loop_cb(Functor& f, Packet& p, typename std::enable_if<accepts_type<Functor, Packet>::value, bool>::type* = 0) {
return f(std::move(p));
return f(std::move(p));
}
template <class Functor, class Packet>
bool invoke_loop_cb(Functor& f, Packet& p, typename std::enable_if<!accepts_type<Functor, Packet>::value && accepts_type<Functor, Packet&>::value, bool>::type* = 0) {
return f(p);
return f(p);
}
template <class Functor, class Packet>
bool invoke_loop_cb(Functor& f, Packet& p, typename std::enable_if<!accepts_type<Functor, Packet>::value && !accepts_type<Functor, Packet&>::value, bool>::type* = 0) {
return f(*p.pdu());
return f(*p.pdu());
}
#endif