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type/traits: add remove_noexcept

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This commit is contained in:
Danny Robson 2017-09-08 14:19:03 +10:00
parent a307b5f777
commit bb07f6573c
1 changed files with 50 additions and 10 deletions
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58
types/traits.hpp
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@ -129,22 +129,62 @@ using remove_restrict_t = typename remove_restrict<T>::type;
///////////////////////////////////////////////////////////////////////////////
/// removes the noexcept type specifier from invokable types
template <typename T>
struct remove_noexcept
{ using type = T; };
namespace detail {
template <typename T>
struct remove_noexcept
{ using type = T; };
//-----------------------------------------------------------------------------
template <typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(&)(Args...) noexcept> {
//-------------------------------------------------------------------------
template <typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(&)(Args...) noexcept> {
using type = ResultT(&)(Args...);
};
//-------------------------------------------------------------------------
template <typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(*const)(Args...) noexcept> {
using type = ResultT(*const)(Args...);
};
//-------------------------------------------------------------------------
template <typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(*)(Args...) noexcept> {
using type = ResultT(*)(Args...);
};
//-------------------------------------------------------------------------
template <typename ClassT, typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(ClassT::*)(Args...) noexcept> {
using type = ResultT(ClassT::*)(Args...);
};
//-------------------------------------------------------------------------
template <typename ClassT, typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(ClassT::*)(Args...) const noexcept> {
using type = ResultT(ClassT::*)(Args...) const;
};
};
//-----------------------------------------------------------------------------
template <typename ResultT, typename ...Args>
struct remove_noexcept<ResultT(*)(Args...) noexcept> {
using type = ResultT(*)(Args...);
template <typename T>
struct remove_noexcept : public detail::remove_noexcept<T> { };
//-----------------------------------------------------------------------------
template <typename T>
using remove_noexcept_t = typename remove_noexcept<T>::type;
///////////////////////////////////////////////////////////////////////////////
/// removes any `const' qualifier from the supplied member function
template <typename FuncT>
struct remove_member_const {
using type = FuncT;
};