Clamps Dictionary

Function

(make-computed fn &optional (setter nil))

Return a ref-object which recalculates and sets its value using fn whenever a ref-object accessed with get-val in the body of fn is changed.

Refer to Defining relations in the Clamps documentation for examples.

`fn`	Function of no arguments to call whenever a value accessed using get-val in the body of the function is changed.
`setter`	Function of one argument called with the value of the ref-object returned by make-computed whenever it changes.