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# std::experimental::optional::operator bool

From cppreference.com
< cpp‎ | experimental‎ | optional

constexpr explicit operator bool() const; |  | (library fundamentals TS)

Checks whether *this is in engaged state, i.e. whether the contained value is initialized.

### [edit] Parameters

(none)

### [edit] Return value

true if *this is in engaged state, false otherwise.

### [edit] Exceptions

`noexcept` specification:
noexcept
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Category:

- unconditionally noexcept