An interface functions and mixins that can be invoked from Sass by passing in arguments.
This class represents callables that need to do asynchronous work. It's
only compatible with the asynchonous
compile() methods. If a callback can
work synchronously, it should be a Callable instead.
See Callable for more details.
- name → String
The callable's name.
- hashCode → int
The hash code for this object.
- runtimeType → Type
A representation of the runtime type of the object.
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
) → String
Returns a string representation of this object.
dynamic other) → bool
The equality operator.