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types/traits: add try_signed_t

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This commit is contained in:
Danny Robson 2019-08-09 11:39:58 +10:00
parent a47d8602bd
commit 2f28e5caa6
1 changed files with 5 additions and 0 deletions
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5
types/traits.hpp
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@ -115,6 +115,11 @@ template <> struct try_signed<double> { typedef double type; };
template <> struct try_signed<float > { typedef float type; }; template <> struct try_signed<float > { typedef float type; };
//-----------------------------------------------------------------------------
template <typename ValueT>
using try_signed_t = typename try_signed<ValueT>::type;
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////
/// checks if a type can be converted in all cases without modification /// checks if a type can be converted in all cases without modification
template <typename T, typename U> struct is_lossless_cast : std::enable_if< template <typename T, typename U> struct is_lossless_cast : std::enable_if<