Como llamar a metodos de un modulo

rails, extend, modulo, helper, ruby

Por guillermo hace ya 5 meses

Estaba yo intentando llamar a un método de un helper. Probando encontré un método que sirve para extender clases con módulos.

Sé que esto es básico, pero por desgracia no me he leído todavía ningún libro sobre ruby. He de suponer que lo que estoy haciendo es un mixin de clases con los módulos.

La palabra clave es extend

Por ejemplo, si estoy en un ./script/console de rails, solo tengo que hacer un:

self.extend CommentsHelper

Para completar, es saber que módulos están cargados en la clase actual, vamos, que mixins se presentan.

self.extended_by

Espero que nadie pierda el tiempo que perdí yo intentando hacer esto.

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