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Work around libstdc++'s lack of support for std::hash on enums

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This commit is contained in:
Yuri Kunde Schlesner 2014-12-15 22:06:23 -02:00
parent 83e6e4ffec
commit 666f6deb47
1 changed files with 15 additions and 0 deletions
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15
src/core/hle/service/fs/archive.cpp
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@ -16,6 +16,21 @@
#include "core/hle/kernel/session.h" #include "core/hle/kernel/session.h"
#include "core/hle/result.h" #include "core/hle/result.h"
// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
// Workaroung for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
namespace std {
template <>
struct hash<Service::FS::ArchiveIdCode> {
typedef Service::FS::ArchiveIdCode argument_type;
typedef std::size_t result_type;
result_type operator()(const argument_type& id_code) const {
typedef std::underlying_type<argument_type>::type Type;
return std::hash<Type>()(static_cast<Type>(id_code));
}
};
}
namespace Service { namespace Service {
namespace FS { namespace FS {