Public Instance Methods : IdSstFuture

* sstHasValue
	"ACTION
		Answer true if the receiver has had its value set.

	RETURN VALUE
		<Boolean>"
* sstIsFuture
	"ACTION
		Return true to indicate that the receiver is a future.

	RETURN VALUE
		<true>

	NOTES
		The class Object may implement this method to return false for
		the general case."
* sstSetValue: object
	"ACTION
		Set the value of the receiver to @object and free any processes 
		which are waiting for the receiver to be set.  Answer the value to
		which the receiver has been set.

	PARAMETERS
		object : <Object>

	RETURN VALUE
		<Object>"
* sstSource
	"ACTION
		Answer the expected origin of the receiver's value.   This is a user
		specified tag used to group futures.

	RETURN VALUE
		<Object>"
* sstSource: value
	"ACTION
		Tag the receiver with @value as the expected origin of its value.   
		This is a user specified tag used to group futures.

	PARAMETERS
		value : <Object>"
* touch
	"ACTION
		Return the value to which the receiver has been set.  If no value is 
		available, block the sender until the value is set.

	RETURN VALUE
		<Object>"

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