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Support both move and reference overloads for the loop handler

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This commit is contained in:
Eric Cornelius
2015-02-25 10:56:11 -05:00
parent 184328ea95
commit 87207a8091
1 changed files with 7 additions and 2 deletions
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9
include/tins/internals.h
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@@ -220,14 +220,19 @@ struct accepts_type<T, P, enable_if_t<
std::is_same< decltype( std::declval<T>()(std::declval<P>()) ), bool>::value
>> : std::true_type { };
// use enable_if to invoke the Packet& version of the sniff_loop handler if possible - otherwise fail to old behavior
// 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));
}
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) {
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);
}
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());
}
#endif