A tiny prototype to set on a funciton to make it work as an event emitter.
npm install function-emitterA tiny prototype to set on a funciton to make it work as an event emitter.
``javascript
var functionEmitter = require('function-emitter');
var doThing = function(a,b){
return a + b;
};
Object.setPrototypeOf(doThing, functionEmitter);
doThing(2, 4); // -> 6
doThing.on('foo', function(foo){
});
doThing.emit('foo', 'bar'); // Handled above.
``