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Avoid using std::result_of when std::invoke_result is available
Closes #1934
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@ -12,6 +12,7 @@
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#define TWOBLUECUBES_CATCH_DETAIL_COMPLETE_INVOKE_HPP_INCLUDED
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#include "../../catch_enforce.h"
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#include "../../catch_meta.hpp"
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#include <type_traits>
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#include <utility>
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@ -42,20 +43,18 @@ namespace Catch {
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return {};
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}
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};
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template <typename Sig>
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using ResultOf_t = typename std::result_of<Sig>::type;
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// invoke and not return void :(
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template <typename Fun, typename... Args>
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CompleteType_t<ResultOf_t<Fun(Args...)>> complete_invoke(Fun&& fun, Args&&... args) {
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return CompleteInvoker<ResultOf_t<Fun(Args...)>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
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CompleteType_t<FunctionReturnType<Fun(Args...)>> complete_invoke(Fun&& fun, Args&&... args) {
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return CompleteInvoker<FunctionReturnType<Fun(Args...)>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
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}
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const std::string benchmarkErrorMsg = "a benchmark failed to run successfully";
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} // namespace Detail
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template <typename Fun>
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Detail::CompleteType_t<Detail::ResultOf_t<Fun()>> user_code(Fun&& fun) {
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Detail::CompleteType_t<FunctionReturnType<Fun()>> user_code(Fun&& fun) {
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CATCH_TRY{
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return Detail::complete_invoke(std::forward<Fun>(fun));
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} CATCH_CATCH_ALL{
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@ -26,7 +26,7 @@ namespace Catch {
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int iterations;
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};
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template <typename Clock, typename Sig>
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using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<Detail::ResultOf_t<Sig>>>;
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using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<FunctionReturnType<Sig>>>;
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} // namespace Benchmark
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} // namespace Catch
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