NOTE: the latest version is 3.0.4
Callbacks to allow for information to be passed up in the update tree.
Append a callback to the list of functions that are applied to the returned value. See the examples/hello-button example for basic use.
examples/hello-button
Sequentially compose the list of monadic functions (callbacks) produced by a nested update call.
Shortcut for andThen << apply
andThen << apply
Append a callback to the list of functions that are applied to the returned value. See the
examples/hello-buttonexample for basic use.