creates a computational/derived signal that only fires again if at least one of its dependencies has fired,
and after the SimpleSignalInstance.fn | recomputation (this.fn), the new computed value is different from the old one (according to this.equals).
creates a computational/derived signal that only fires again if at least one of its dependencies has fired, and after the SimpleSignalInstance.fn | recomputation (
this.fn), the new computed value is different from the old one (according tothis.equals).