co-nothrow

A no-throw style of co.js, better for explicit error handling like that in Go and Lua.

Usage and Comparison

Originally with co.js

const co = require("co");
co(function *() {
    try {
        let res = yield doSomethingAsync();
    }catch(e){
        return reportError(e);
    }
    //continue with result in res
});

Now with co-nothrow

const co = require("co-nothrow");
co(function *() {
    let ret = yield doSomethingAsync();
    if(ret[0]){
        return reportError(ret[0])
    }
    //continue with result in ret[0]
});

For Node.js v6+, with ES6 destructing.

const co = require("co-nothrow");
co(function *() {
    let [err, res] = yield doSomethingAsync();
    if(err){
        return reportError(res)
    }
    //continue with res
});

License

MIT