Secret - creates closures with secret messages. https://jsbin.com/hitusu/edit?html,js,output

secret.js

// Secret - creates closures with secret messages.
// https://gist.github.com/ericelliott/f6a87bc41de31562d0f9
// https://jsbin.com/hitusu/edit?html,js,output

// secret(msg: String) => getSecret() => msg: String
const secret = (msg) => () => msg;

test('secret', assert => {
  const msg = 'secret() should return a function that returns the passed secret.';

  const theSecret = 'Closures are easy.';
  const mySecret = secret(theSecret);

  const actual = mySecret();
  const expected = theSecret;

  assert.equal(actual, expected, msg);
  assert.end();
});