gistfile1.js

var app = angular.module('scholarApp.controllers');

var NavCtrl = function($scope, $location) {
    ...
};

// A nicer explicit dependency injection syntax
NavCtrl.$inject = ['$scope', '$location'];
app.controller('NavCtrl', NavCtrl);

/**
the other way way
**/

var app = angular.module('scholarApp.controllers');

app.controller('NavCtrl', function($scope, $location) {
    ..
});

(function(app) {
  'use strict';

  var NavCtrl = function($scope, $location) {};

  NavCtrl.$inject = ['$scope', '$location'];

  app.controller('NavCtrl', NavCtrl);

}(angular.module('scholarApp.controllers')));

yea thats nice 👍