Less Mixins as Functions
Mixins are very similar to functions. Mixins can be nested; can accept parameters and returns values.
A list of mixins used as functions:
||Mixins contains variables. Mixins are visible and mixins can be used in caller's scope.
||Mixin and Return Values
||Mixins are similar to functions and the variables that are defined in a mixin will behave as its return values.
||Mixin inside another Mixin
||Mixins defined inside another mixin, can be used as return value too.