Javascript asynchronous

Callback (or continuation) ... so call me maybe :)

continuation passing style

Callback HELLLLL

Callback HELLLLL

Exercise 1

Callbacks - Tow Problems

A lose of control ( Inversion of Control ?  can i trust you ? )

Hard to reason about ( its a time loooooooop and the temporal dependency)

Thunks ? what are you smoking

A thunk is a function that has everything already that it needs to do (clojure state), to give you some value back; you simply call it, give it a callback and it will give you your value back;

Thunks ? time independent ... are you a promise

Ex 2 ?

Promises ... i owe you

our saver ...

Promises ... i owe you

future values

Completion event or error event...

i fix the inversion of control problem

Promises ... i owe you

Promises ... i owe you

Promises ... i owe you

Still callbacks ????

Promise Trust:

only resolved once

either success or error

messages passed/kept

exceptions become errors

immutable once resolved

Ex 3 :) and the flow control

Ex 4 ... if you didn't had enough

i has to show you something map and reduce 

Generators (yield) Wu shu

Ruuuuuuun to complition 

Generators (yield) what are you ?

It's a state machine oO

i fix the non local non sequential  reasonable problem

a function will run till completion ! or will they ?

should i stay or should i go ...

Generators (yield) what are you ?

a generator invocation will return a iterator

the iterator will be used to resume the execution of the generator function.

Generators (yield) what are you ?

i can use yield to return a message

and yes we can use the it.next to pass in a value :)

Generators (yield) - i love using apply

Generators (yield = i need something ... call me maybe or promise me luke)

on resume the yield is replace with the value passed back into the function

Generators (yield) what are you ?

synchronous looking asynchronous code

Generators (yield)

we still have a ... aa ... inversion of control here :(( why youuuuu

ok ok chill, so we have promises to resolve the inversion of control so put that with generators and you get ....

a generator that yields promises ... 

Generators (yield)

so we yield out promises and the promise will resume the generator ... sounds easy

Ex 7 ? maybe ...

Done thank you :D

we has book we give book :)