A Cell that reads the value of another Cell without notifying its observers when it changes. More...

Inheritance diagram for live_cells::peek_cell< C >:

Collaboration diagram for live_cells::peek_cell< C >:

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Public Types
typedef C::value_type	value_type
	The type of value held by this cell.

Public Member Functions
	peek_cell (const C &cell)
	Create a peek cell that reads the value of cell.

C::value_type	value () const
	Get the value of the argument cell.

C::value_type	operator() () const
	Get the value of the argument cell and track it as a dependency.

Public Member Functions inherited from live_cells::stateful_cell< peek_cell_state< C > >
	stateful_cell (key_ref k, Args... args)
	Create a stateful cell and associate it with a state.

key_ref	key () const
	Get the key identifying the cell.

void	add_observer (observer::ref o) const
	Add an observer to the cell.

void	remove_observer (observer::ref o) const
	Remove an observer from the cell.

Additional Inherited Members
Protected Attributes inherited from live_cells::stateful_cell< peek_cell_state< C > >
const key_ref	key_
	Key identifying the cell.

std::shared_ptr< peek_cell_state< C > >	state
	Reference to the cell's state.

Detailed Description

template<Cell C>
class live_cells::peek_cell< C >

A Cell that reads the value of another Cell without notifying its observers when it changes.

Constructor & Destructor Documentation

template<Cell C>

live_cells::peek_cell< C >::peek_cell ( const C & cell )

inline

Create a peek cell that reads the value of cell.

Parameters

cell	The cell of which to read the value.

template<Cell C>

C::value_type live_cells::peek_cell< C >::operator() ( ) const

inline

Get the value of the argument cell and track it as a dependency.

template<Cell C>

C::value_type live_cells::peek_cell< C >::value ( ) const

inline

Get the value of the argument cell.

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