fold issues with ES5

[SM]

As shown on stackoverflow question
ES6 arrow function " => " works fine with observable.fold(seed, f)

const stream = Bacon.sequentially(100, ["Hello", "world"])    
stream.log("stream")
const concatenated = stream.fold("", (a,b) => a + b)
concatenated.log("concatenated")

However in strict ES5 syntax:

var stream = Bacon.sequentially(100, ["Hello", "world"]);
stream.log("stream");
var concatenated = stream.fold("", function (a,b){ a + b});

it doesn't work results in 'undefined' value on console

[Juha Paananen]

You're missing a return statement :)

[Darren Nolan]

Because you've missed a return.

const concatenated = stream.fold("", (a,b) => a + b)

In es5 is actually

var concatenated = stream.fold("", function (a,b){ return a + b});

On Thu, 30 Jun 2016 4:42 pm Juha Paananen [e-mail] wrote:

Closed #669 #669.

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[Darren Nolan]

Sorry... Slow to the thread.

On Thu, 30 Jun 2016 5:39 pm Darren Nolan [e-mail] wrote:

Because you've missed a return.

const concatenated = stream.fold("", (a,b) => a + b)

In es5 is actually

var concatenated = stream.fold("", function (a,b){ return a + b});

On Thu, 30 Jun 2016 4:42 pm Juha Paananen [e-mail]
wrote:

Closed #669 #669.

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[SM]

Ok -thanks- solved for me ..im the slow one