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Fix compilation warnings on Mac

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This commit is contained in:
Paul Licameli
2018-01-08 19:09:13 -05:00
parent cb403954fa
commit bec6f237bc
1 changed files with 17 additions and 13 deletions
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30
src/MemoryX.h
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@@ -1150,19 +1150,23 @@ make_value_transform_iterator(const Iterator &iterator, Function function)
// For using std::unordered_map on wxString
namespace std
#ifdef __AUDACITY_OLD_STD__
::tr1
#endif
{
template<typename T> struct hash;
template<> struct hash< wxString > {
size_t operator () (const wxString &str) const // noexcept
{
auto stdstr = str.ToStdWstring(); // no allocations, a cheap fetch
using Hasher = hash< decltype(stdstr) >;
return Hasher{}( stdstr );
}
};
};
#ifdef __AUDACITY_OLD_STD__
namespace tr1
{
#endif
template<typename T> struct hash;
template<> struct hash< wxString > {
size_t operator () (const wxString &str) const // noexcept
{
auto stdstr = str.ToStdWstring(); // no allocations, a cheap fetch
using Hasher = hash< decltype(stdstr) >;
return Hasher{}( stdstr );
}
};
#ifdef __AUDACITY_OLD_STD__
}
#endif
}
#endif // __AUDACITY_MEMORY_X_H__