very minor caster simplification

cd4d7d6b · Wenzel Jakob · dac3858e · cd4d7d6b
Commit cd4d7d6b authored Sep 30, 2016 by Wenzel Jakob
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include/pybind11/cast.h
+1 -3

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--- a/include/pybind11/cast.h
+++ b/include/pybind11/cast.h
@@ -389,9 +389,7 @@ public:
 template <typename T>
-struct type_caster<
+struct type_caster<T, enable_if_t<std::is_arithmetic<T>::value>> {
-    T, enable_if_t<std::is_integral<T>::value ||
-                   std::is_floating_point<T>::value>> {
    typedef typename std::conditional<sizeof(T) <= sizeof(long), long, long long>::type _py_type_0;
    typedef typename std::conditional<std::is_signed<T>::value, _py_type_0, typename std::make_unsigned<_py_type_0>::type>::type _py_type_1;
    typedef typename std::conditional<std::is_floating_point<T>::value, double, _py_type_1>::type py_type;