Files:
index.html
controllers / control.js
directives / directiva.js
directives / botao.html
* I have a function called $ scope.change (age) = function () {....}; in control.js
* in the directive I have templateUrl: "botao.html" and scope {function: "&"};
* in the index I have < \ function button="change (age)" > < / button >
* in botao.html I have