/*
list
 - to be used with any object that has a length and numeric keys
 - generates generics
*/"use strict"

var shell = require("../util/shell")

// set, get, count, each, map, filter, every, some, index, merge, remove, keys, values

var list = shell({

	inherits: require("../es5/array"),

	set: function(i, value){
		this[i] = value
		return this
	},

	get: function(i){
		return (i in this) ? this[i] : null
	},

	count: function(){
		return this.length
	},

	each: function(method, context){
		for (var i = 0, l = this.length; i < l; i++){
			if (i in this && method.call(context, i, this[i], this) === false) break
		}
		return this
	},

	index: function(value){
		var index = list.indexOf(value)
		return index == -1 ? null : index
	},

	remove: function(i){
		return list.splice(this, i, 1)[0]
	},

	keys: function(){
		return list.map(this, function(v, i){
			return i
		})
	},

	values: function(){
		return list.slice(this)
	}

})

module.exports = list