[coroutine.handle.noop.resumption]

# 17 Language support library [[support]](./#support)

## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.noop.resumption)

### 17.13.5 No-op coroutines [[coroutine.noop]](coroutine.noop#coroutine.handle.noop.resumption)

#### 17.13.5.2 Class coroutine_handle<noop_coroutine_promise> [[coroutine.handle.noop]](coroutine.handle.noop#resumption)

#### 17.13.5.2.4 Resumption [coroutine.handle.noop.resumption]

[ð](#lib:operator(),coroutine_handle%3cnoop_coroutine_promise%3e)

`constexpr void operator()() const noexcept;
constexpr void resume() const noexcept;
constexpr void destroy() const noexcept;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6247)

*Effects*: None[.](#1.sentence-1)

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6251)

*Remarks*: If noop_coroutine_handle is converted to coroutine_handle<>,
calls to operator(), resume and destroy on that handle
will also have no observable effects[.](#2.sentence-1)
