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a605bf438e
Make sure `std::cbegin`, `std::cend`, and `std::size` work in C++17 or C++14 mode before choosing the corresponding standard level for compiling CMake itself. This helps in cases that the compiler is using a standard library too old to support the full standard level chosen.
32 lines
616 B
C++
32 lines
616 B
C++
#include <cstdio>
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#include <iterator>
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#include <memory>
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#include <unordered_map>
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#ifdef _MSC_VER
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# include <comdef.h>
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#endif
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int main()
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{
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int a[] = { 0, 1, 2 };
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auto ai = std::cbegin(a);
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int b[] = { 2, 1, 0 };
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auto bi = std::cend(b);
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auto ci = std::size(a);
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std::unique_ptr<int> u(new int(0));
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#ifdef _MSC_VER
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// clang-cl has problems instantiating this constructor in C++17 mode
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// error: indirection requires pointer operand ('const _GUID' invalid)
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// return *_IID;
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IUnknownPtr ptr{};
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IDispatchPtr disp(ptr);
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#endif
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return *u + *ai + *(bi - 1) + (3 - static_cast<int>(ci));
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}
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