gnash::Optional< T > Class Template Reference

A type to hold a simple value but with an additional 'unset' state. More...

#include <TextFormat_as.h>

List of all members.

Public Member Functions
	Optional ()
	Construct an Optional<T> with no value set.
	Optional (const T &t)
	Construct an Optional<T> with an initial value.
void	unset ()
	Unset this value.
	operator const void * () const
	Relatively safe conversion to bool via void*.
const T *	operator-> () const
	Access to value using operator->().
Optional< T > &	operator= (const T &t)
	Assign a T to this Optional<T>.
const T &	operator* () const
	Retrieve type only if set (converts to true).

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Detailed Description

template<typename T>
class gnash::Optional< T >

A type to hold a simple value but with an additional 'unset' state.

Most TextFormat values can be 'uninitialized', meaning they are not taken into account when applying formatting. These values return null in ActionScript.

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Constructor & Destructor Documentation

template<typename T>

gnash::Optional< T >::Optional

(

)

[inline]

Construct an Optional<T> with no value set.

template<typename T>

gnash::Optional< T >::Optional

(

const T &

t

)

[inline]

Construct an Optional<T> with an initial value.

Implicit construction is allowed.

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Member Function Documentation

template<typename T>

gnash::Optional< T >::operator const void *

(

)

const [inline]

Relatively safe conversion to bool via void*.

template<typename T>

const T& gnash::Optional< T >::operator*

(

)

const [inline]

Retrieve type only if set (converts to true).

template<typename T>

const T* gnash::Optional< T >::operator->

(

)

const [inline]

Access to value using operator->().

template<typename T>

Optional<T>& gnash::Optional< T >::operator=

(

const T &

t

)

[inline]

Assign a T to this Optional<T>.

template<typename T>

void gnash::Optional< T >::unset

(

)

[inline]

Unset this value.

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The documentation for this class was generated from the following file:

• TextFormat_as.h