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Use _v traits variable aliases (C++17 feature)

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Mat Sutcliffe
2021-04-17 20:43:42 +01:00
parent 6d232756f4
commit 5d67cd9f68
32 changed files with 67 additions and 67 deletions
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8
src/blackmisc/mixin/mixinindex.h
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@@ -70,14 +70,14 @@ namespace BlackMisc
const Derived *derived() const { return static_cast<const Derived *>(this); }
Derived *derived() { return static_cast<Derived *>(this); }
template <typename T, std::enable_if_t<std::is_default_constructible<T>::value, int> = 0>
template <typename T, std::enable_if_t<std::is_default_constructible_v<T>, int> = 0>
QVariant myself() const { return QVariant::fromValue(*derived()); }
template <typename T, std::enable_if_t<std::is_default_constructible<T>::value, int> = 0>
template <typename T, std::enable_if_t<std::is_default_constructible_v<T>, int> = 0>
void myself(const QVariant &variant) { *derived() = variant.value<T>(); }
template <typename T, std::enable_if_t<! std::is_default_constructible<T>::value, int> = 0>
template <typename T, std::enable_if_t<! std::is_default_constructible_v<T>, int> = 0>
QVariant myself() const { qFatal("isMyself should have been handled before reaching here"); return {}; }
template <typename T, std::enable_if_t<! std::is_default_constructible<T>::value, int> = 0>
template <typename T, std::enable_if_t<! std::is_default_constructible_v<T>, int> = 0>
void myself(const QVariant &) { qFatal("isMyself should have been handled before reaching here"); }
template <typename T>