Behaviour
Mechanism for handling behaviours.
This module is deprecated. Instead of defcallback/1 and
defmacrocallback/1, the @callback and @macrocallback
module attributes can be used respectively. See the
documentation for Module for more information on these
attributes.
Instead of MyModule.__behaviour__(:callbacks),
MyModule.behaviour_info(:callbacks) can be used.
Macro defcallback/1
Defines a function callback according to the given type specification.
Macro defmacrocallback/1
Defines a macro callback according to the given type specification.
