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//proc/self/root/usr/share/doc/node-genfun/examples/basic.js

var genfun = require("../")

var frobnicate = genfun()

frobnicate.add([String, Number], function (string, number) {
  console.log('Got a string and a number')
})

frobnicate.add([Number, String], function (number, string) {
  console.log('Got a number and a string')
})

/* Genfun can handle multiple-arity dispatch. Any extra arguments will be
   ranked as if the position had been specialized on Object.prototype */
frobnicate.add(
  [Number], // Equivalent to [Number, Object]
            // when called with two arguments.
  function (number) {
    console.log('Got a single number.')
  })

/* multi-arity dispatch can be exploited to define a 'default' methods */
frobnicate.add([], function () {
  console.log('Dispatch fell through to the default method.')
})

/* Empty positions in the dispatch spec will be treated as Object */
frobnicate.add([Number, , Boolean], function (a, b, c) {
  console.log('Got a number, ', b, ', and a boolean')
})

frobnicate(new String('foo'), new Number(1)) // => Got a string and a number
frobnicate(1, 'foo') // => Got a number and a string
frobnicate(1) // => Got a single number
frobnicate(1, 1) // => Got a single number
frobnicate(true) // => Dispatch fell through
frobnicate(1, [], true) // => Got a number, [], and a boolean