index.js
function EzMap(arr) {
  this._keys   = []
  this._values = []
  if (isArray(arr) && arr.length)
    this._initial(arr)
}
function EzMap(arr) {
  this._keys   = []
  this._values = []
  if (isArray(arr) && arr.length)
    this._initial(arr)
}
function EzMap ( arr ) { this . _keys = [ ] this . _values = [ ] if ( isArray ( arr ) && arr . length ) this . _initial ( arr ) }
Initialize `EzMap`.

@constructor
@param {array} [arr]

@api public
Initialize EzMap .