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Array copy only if type is assignable

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This commit is contained in:
Joachim Schöberl 2020-09-08 23:00:03 +02:00
parent 5c2089ed96
commit b2b8a15611
1 changed files with 10 additions and 5 deletions
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15
libsrc/core/array.hpp
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@ -940,11 +940,16 @@ namespace ngcore
/// array copy /// array copy
NETGEN_INLINE Array & operator= (const Array & a2) NETGEN_INLINE Array & operator= (const Array & a2)
{ {
SetSize0 (); if constexpr (std::is_assignable<T,T>::value)
SetSize (a2.Size()); {
for (size_t i = 0; i < size; i++) SetSize0 ();
data[i] = a2.data[i]; SetSize (a2.Size());
return *this; for (size_t i = 0; i < size; i++)
data[i] = a2.data[i];
return *this;
}
else
throw Exception(std::string("cannot copy Array of type ") + typeid(T).name());
} }
/// steal array /// steal array