4.1 简单查看QLatin1String的源码 class QLatin1String{public:Q_DECL_CONSTEXPR inline QLatin1String() noexcept : m_size(0), m_data(nullptr) {}Q_DECL_CONSTEXPR inline explicit QLatin1String(const char *s) noexcept : m_size(s ? int(strlen(s)) : 0), m_data(s) {}Q_DECL_CONSTEXPR ...
declared here 123 | QT_DEPRECATED_X("Use default constructor instead") Q_DECL_CONSTEXPR inline QFlags(Zero) noexcept : i(0) {} | ^~~~ make[3]: *** [gui/CMakeFiles/gui.dir/build.make:847: gui/CMakeFiles/gui.dir/src/ui/QBouton.cpp.o] Error 1 make[3]: *** Waiting for unfi...
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