text: var zip = require("../.").zip;
  var test = require("tap").test;
  
  test('zips single vector', function(t) {
      t.plan(1);
  
      var a = [1,2,3];
  
      var result = zip(a);
  
      t.deepEqual(result, [[1],[2],[3]]);
  
      t.end();
  });
  
  
  test('zips arbitrary number of vectors', function(t) {
      t.plan(1);
  
      var a = [1,2,3];
      var b = [3,2,1];
      var c = [1,2,3];
      var d = [3,2,1];
  
  
      var result = zip(a,b,c,d);
  
      t.deepEqual(result, [[1,3,1,3],[2,2,2,2],[3,1,3,1]]);
  
      t.end();
  });
  