[coroutine.handle.promise]

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

## 17.13 Coroutines [[support.coroutine]](support.coroutine#coroutine.handle.promise)

### 17.13.4 Class template coroutine_handle [[coroutine.handle]](coroutine.handle#promise)

#### 17.13.4.7 Promise access [coroutine.handle.promise]

[ð](#lib:promise,coroutine_handle)

`Promise& promise() const;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6102)

*Preconditions*: *this refers to a coroutine[.](#1.sentence-1)

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L6106)

*Returns*: A reference to the promise of the coroutine[.](#2.sentence-1)
