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39 lines
868 B
C++
39 lines
868 B
C++
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#ifndef PROMISE_RETURN_OPS_H
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#define PROMISE_RETURN_OPS_H
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#include <type_traits>
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#include <utility>
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#include <spinscale/co/returnValues.h>
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namespace sscl::co {
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/** `return_value` / `return_void` only. ThreadTag is not a template parameter here:
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* for tagged promises, PromiseType is `TaggedPostingPromise<T, ThreadTag>`.
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*/
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template <typename PromiseType, typename T, bool IsVoid = std::is_void_v<T>>
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struct PromiseReturnOps;
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template <typename PromiseType, typename T>
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struct PromiseReturnOps<PromiseType, T, false>
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{
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void return_value(T returnValue) noexcept
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{
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static_cast<PromiseType *>(this)->returnValues.myReturnValue =
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std::move(returnValue);
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}
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};
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template <typename PromiseType, typename T>
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struct PromiseReturnOps<PromiseType, T, true>
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{
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void return_void() noexcept
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{
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return;
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}
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};
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} // namespace sscl::co
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#endif // PROMISE_RETURN_OPS_H
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