schedule a cancellable function to run once
npm install at-nodebash
npm i --save at-node
`Usage
`javascript
const at = require('at-node');// schedule a function by passing in a date or a datestring
at(new Date('10/10/2018'), cb);
at('10/10/2018', cb);
// a function is returned that cancels the scheduled function
const cancelCb = at('January 1, 2018', cb);
// change your mind?
cancelCb();
`Testing
`bash
npm test
``