var linking = require('../lib/main.js');
var httpheaderlinking = linking.httpheader;

var str = '<http://example.com/TheBook/chapter2>; rel="previous"; title="previous chapter"'

//Parse from string into json
var parsed = httpheaderlinking.parse(str);    	

//Stringify from json into string
var str2   = httpheaderlinking.stringify(parsed);   

//Now str = str2

//Parse from a http request header into json
function(req,res){
    var parsed = httpheaderlinking.parseRequest(req);    	
}

//Set from json into a http request header
function(req,res){
     var link = [
     {
        href: 'http://example.com/TheBook/chapter2',
        rel: 'previous',
        title: 'previous chapter'
     }
 ];
 httpheaderlinking.setToResponse(res, link);    	
}