Function cb

test/base/options.js:76–76

(res)

  it('callback should be settable in the constructor', () => {
    let cb = function (res) {};
    let opts = { callback: cb };
    var net = new brain.NeuralNetwork(opts);
    assert.ok(typeof net.trainOpts.callback  === 'function', `callback => ${net.trainOpts.callback} but should be ${opts.callback}`);