keyvan-m-sadeghi

// Ignore
let p = Nancy.reject(42)
    .then(() => console.log('why')) // ignored
    .then(() => console.log('you')) // ignored
    .then(() => console.log('ignoring me?!')); // ignored!
// p is a Nancy
// p.state is states.rejected
// p.value is 42

const carry = output => input => {

keyvan-m-sadeghi

class Nancy {
    ...
    static resolve(value) {
        return new Nancy(resolve => resolve(value));
    }

    static reject(value) {
        return new Nancy((_, reject) => reject(value));
    }
}

keyvan-m-sadeghi

const getCallback = state => value => {
    this.value = value;
    this.state = state;
};

const resolve = getCallback(states.resolved);
const reject = getCallback(states.rejected);

keyvan-m-sadeghi

class Nancy {
    constructor(executor) {
        const resolve = () => {
            this.state = states.resolved;
        };

        const reject = () => {
            this.state = states.rejected;
        };

keyvan-m-sadeghi

const states = {
    pending: 'Pending',
    resolved: 'Resolved',
    rejected: 'Rejected'
};