Commit 8220d5fa authored by mercury233's avatar mercury233 Committed by GitHub

remove usage of std::unary_function in irrUString.h (#2501)

parent a4549a40
......@@ -3052,7 +3052,7 @@ namespace unicode {
//! Hashing algorithm for hashing a ustring. Used for things like unordered_maps.
//! Algorithm taken from std::hash<std::string>.
class hash : public std::unary_function<core::ustring, size_t> {
class hash {
size_t operator()(const core::ustring& s) const {
size_t ret = 2166136261U;
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