example

example.js

function mySexyMethod() {
    return new Promise(function (resolve, reject) {
        someAsync.method(params, function (err, data) {
            if (err) {
                return reject(err);
            }

            resolve(data);
        })
    });
}


### Express router

var wrap = require('co-express');

router.verb('some-route', wrap(function* (req, res, next) {

    var val;
    
    try {
        val = yield mySexyMethod();
    } catch (e) {
        return next(e);
    }
});