אודות פרק זה
Monads, the promised land of functional programming. Or at least with all the hype they'd better be! Come join the cast as we demystify this overhyped structure that has become an indispensable part of many functional programmer's toolkits.
Episode 18 patrons:
Pluton
Tim Buckley
Huge shout out to Marcus Nielsen
Show Notes:
bind :: m a -> (a -> m b) -> m b
Example of do syntax vs using bind aka >>=:
main = do
foo <- doMonadyThing
foo2 <- doOtherMonadyThing foo
pure (whatever foo foo2)
main = doMonadyThing
>>= (\foo -> doOtherMonadyThing foo
>>= (\foo2 -> pure (whatever foo foo2))
)
Extracting a value from a Maybe
extract :: Just Int -> Int
extract foo = case foo of
Just num -> num
Nothing -> 0
Railroad oriented programming talk by Scott Wlaschin
fsharpforfunandprofit.com/rop/
FP Chat Slack Community: https://fpchat-invite.herokuapp.com
Episode 18 patrons:
Pluton
Tim Buckley
Huge shout out to Marcus Nielsen
Show Notes:
bind :: m a -> (a -> m b) -> m b
Example of do syntax vs using bind aka >>=:
main = do
foo <- doMonadyThing
foo2 <- doOtherMonadyThing foo
pure (whatever foo foo2)
main = doMonadyThing
>>= (\foo -> doOtherMonadyThing foo
>>= (\foo2 -> pure (whatever foo foo2))
)
Extracting a value from a Maybe
extract :: Just Int -> Int
extract foo = case foo of
Just num -> num
Nothing -> 0
Railroad oriented programming talk by Scott Wlaschin
fsharpforfunandprofit.com/rop/
FP Chat Slack Community: https://fpchat-invite.herokuapp.com
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פרקים אחרים בפודקאסט הזה
Algebraic Data Types (ADTs) are one of the most distinguishing features of statically typed functional languages. Come learn why they exist, how you can use them, and how they change your design.
Join the FP community at http://fpchat.com
Support us on Patreon at http://www.patreon.com/lambdacas…
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John Degoes polymorphism post
http://degoes…
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הצהרה: הפודקאסט והגרפיקה המוטבעים בדף זה הם מ-LambdaCast, שהוא רכושו של בעליו ואינו קשור או מאושר על ידי Listen Notes, Inc.
