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Add QtPrivate::is_const and is_volatile

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And correct the comment by listing more types that are available

Change-Id: I9cb4b664f97300357a55d81bc99dd542a29e933b
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
This commit is contained in:
Thiago Macieira 2014-07-29 12:43:11 -07:00
parent d1ede822d8
commit 65ade55c8c
1 changed files with 9 additions and 0 deletions
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9
src/corelib/global/qtypetraits.h
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@ -82,11 +82,15 @@
// is_pointer
// is_enum
// is_reference
// is_const
// is_volatile
// is_pod
// has_trivial_constructor
// has_trivial_copy
// has_trivial_assign
// has_trivial_destructor
// is_signed
// is_unsigned
// remove_const
// remove_volatile
// remove_cv
@ -325,6 +329,11 @@ template <class T> struct is_enum<const volatile T> : is_enum<T> { };
template<typename T> struct is_reference : false_type {};
template<typename T> struct is_reference<T&> : true_type {};
// Specified by TR1 [4.5.3] Type Properties
template <typename T> struct is_const : false_type {};
template <typename T> struct is_const<const T> : true_type {};
template <typename T> struct is_volatile : false_type {};
template <typename T> struct is_volatile<volatile T> : true_type {};
// We can't get is_pod right without compiler help, so fail conservatively.
// We will assume it's false except for arithmetic types, enumerations,