gistfile1.js

function watchableProjects (user, callbacks) {
  var diff, accessibleProjects, watchedProjects;
  createAccessibleProjectsQuery(function(accessibleProjectsQuery) {
    findAccessibleProjects(function(ap){
      accessibleProjects = ap;
      diff();
    });
  });

  findWatchedProjects(function(wp){
      watchedProjects = wp;
      diff();
  });

  // agh no god please no why 
  diff = function() {
    if (accessibleProjects && watchedProjects) {
      callbacks.success(setDifference(accessibleProjects, watchedProjects));
    }
  }
}