[func.wrap.func.cap]

# 22 General utilities library [[utilities]](./#utilities)

## 22.10 Function objects [[function.objects]](function.objects#func.wrap.func.cap)

### 22.10.17 Polymorphic function wrappers [[func.wrap]](func.wrap#func.cap)

#### 22.10.17.3 Class template function [[func.wrap.func]](func.wrap.func#cap)

#### 22.10.17.3.4 Capacity [func.wrap.func.cap]

[ð](#lib:operator_bool,function)

`explicit operator bool() const noexcept;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L14005)

*Returns*: true if *this has a target, otherwise false[.](#1.sentence-1)
