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

Converting copy assignment operator.

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