std::suspend_always - cppreference.com
From cppreference.com
| (since C++20) | ||
suspend_always is an empty class which can be used to indicate that an await expression always suspends and does not produce a value.
Member functions
| indicates that an await expression always suspends (public member function) | |
| no-op (public member function) | |
| no-op (public member function) |
std::suspend_always::await_ready
constexpr bool await_ready() const noexcept { return false; } |
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Always returns false, indicating that an await expression always suspends.
std::suspend_always::await_suspend
constexpr void await_suspend( std::coroutine_handle<> ) const noexcept {} |
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Does nothing.
std::suspend_always::await_resume
constexpr void await_resume() const noexcept {} |
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Does nothing. An await expression does not produce a value if suspend_always is used.