Count the number of duplicate elements in an array-C[code]
auto countDuplicutes(int arr)
std::unordered_map<int, int> ...
Rules around RVOGot it thanks.
"even on an lvalue"
Makes sense, that's a good one to know lol
How could I test whether the input parameter is uninitializedYou could try using zeroed primitives:
Rules around RVOerror C2280: 'Block::DataWriter::DataWriter(Block::DataWriter &&)': attempting to reference a delete...
Rules around RVOThanks. I notice it says:
"which isn't the function parameter, "
What about when the function para...
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