beman::optional::optional<T&>

Name

Description

iterator

The type of the iterator for the optional.

value_type

The type of the value stored in the optional.

Name

Description

optional [constructor]

Constructors

~optional [destructor]

Destructor.

operator=

Assignment operators

and_then

Applies a function to the stored value if there is one.

begin

Returns an iterator to the beginning of the optional.

emplace

Emplaces a new value in the optional, destroying the current one if

end

Returns an iterator to the end of the optional.

has_value

Checks if the optional has a value.

operator*

Returns a reference to the stored value.

operator‐>

Returns a pointer to the stored value.

or_else

Calls a function if the optional is empty.

reset

Resets the optional to an empty state.

swap

Swaps the contents of this optional with another.

transform

Applies a function to the stored value if there is one.

value

Returns the stored value if there is one, otherwise throws

value_or

Returns the stored value if there is one, otherwise returns u.

operator bool

Converts the optional to a boolean value.

Name

Description

beman::optional::optional