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QHashFunctions: port to if constexpr

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Condition is a compile-time one.

Change-Id: I6e60f12cc51e96b2528c375017357c0631e2fc0b
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
This commit is contained in:
Giuseppe D'Angelo 2020-03-12 12:31:07 +01:00
parent 317383217b
commit 2c9a29a09a
1 changed files with 1 additions and 1 deletions
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src/corelib/tools/qhashfunctions.h
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@ -115,7 +115,7 @@ Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline size_t qHash(long key, size_t seed
{ return QHashPrivate::hash(size_t(key), seed); } { return QHashPrivate::hash(size_t(key), seed); }
Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline size_t qHash(quint64 key, size_t seed = 0) noexcept Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline size_t qHash(quint64 key, size_t seed = 0) noexcept
{ {
if (sizeof(quint64) > sizeof(size_t)) if constexpr (sizeof(quint64) > sizeof(size_t))
key ^= (key >> 32); key ^= (key >> 32);
return QHashPrivate::hash(size_t(key), seed); return QHashPrivate::hash(size_t(key), seed);
} }