Commit 21557091 authored by Mark Olesen's avatar Mark Olesen
Browse files

ENH: explicit convert to bool operator for autoPtr

- behaves the same as the valid() method, but can be queried directly
  like a normal raw pointer and as per std::unique_ptr.
  Eg,

      autoPtr<T> ptr = ...

      if (ptr) ...
parent ff26b96a
......@@ -143,7 +143,7 @@ int main(int argc, char *argv[])
Info<<"now have valid=" << Switch(list.valid()).c_str();
if (list.valid())
if (list)
{
Info<< nl
<< flatOutput(*list) << " @ " << long(list->cdata())
......@@ -153,6 +153,22 @@ int main(int argc, char *argv[])
{
Info<< nl;
}
// These should fail to compile
#if 0
label val0 = 0;
if (true)
{
val0 = list;
}
label val1 = 10;
if (val1 == list)
{
}
#endif
}
// Memory transfer
......
......@@ -234,6 +234,8 @@ public:
operator const T&() const = delete;
#endif
//- True if the managed pointer is non-null
explicit inline operator bool() const noexcept;
//- Transfer object ownership from parameter
inline void operator=(autoPtr<T>&& ap) noexcept;
......
......@@ -260,6 +260,13 @@ inline const T& Foam::autoPtr<T>::operator()() const
}
template<class T>
inline Foam::autoPtr<T>::operator bool() const noexcept
{
return ptr_;
}
template<class T>
inline void Foam::autoPtr<T>::operator=(autoPtr<T>&& ap) noexcept
{
......
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