The Domain Object

gistfile1.js

var contain = function(arr,val);
var domain = function(arr,coTo,morphisem) {
  return function(){
    var values = arr || [];
    return {
      morph : function(func){
        return domain(values.map(func));
      },
      morphTo : function(domain,morphisem){
        var codomain = values.map(morphisem);
        var domval = domain.getValues()
        var res = codomain.reduce(function(a,b){
          console.log(a,b,codomain,b in domval,domval);
          if (b in domval) return a;
          else return a.concat(b)
        },[])
        console.log(res);
        if(res) return false; else return true;
      },
      getValues : function(){
        return values;
      }
    }
  }()
}