The Monadist
Juan Carlos Hinojo
The monad
- Abstract data structure
- Comes from functional programming language (Haskell)
- Its just an object which allows you to chain a sequence of operations
3 basic rules
What can we use a monad for?
(Black magic)
Not useful at all...
Maybe-Monad
Everyone has got into a Method called on nil exception
Nested Data structures
fetch
Only works for hashes
try
Maybe-Monad
How can a Maybe-Monad help us?
also we can spot some repeated code right there...
I would still prefer to go with using try or fetch...
Fmap
With fmap
Method missing
With method missing
If you use the monad as a module
What about lists?
Every word in every comment
Lets Apply a monad
Using the monad
Fmap
With Method missing
Using it as a module
Yes! there is a gem
We are hiring :)
Thank you
