20 lines
505 B
C++
20 lines
505 B
C++
#pragma once
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#ifndef QSTRINGHASH_H
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#define QSTRINGHASH_H
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#include <QHash>
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#include <QString>
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#include <functional>
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// This is a custom hash function for QString so it can be used as
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// a key in a std::hash structure. Qt 5.14 added this function, so
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// this file should only be included in earlier versions.
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namespace std {
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template<> struct hash<QString> {
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std::size_t operator()(const QString& s) const noexcept {
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return static_cast<size_t>(qHash(s));
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}
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};
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}
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#endif // QSTRINGHASH_H
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