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The Something Awful Forums > Discussion > Serious Hardware/Software Crap > The Cavern of COBOL > Functional Programming: This thread is like a burrito
 
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LOOK I AM A TURTLE
May 22, 2003

"I'm actually a tortoise."
Grimey Drawer
A couple of tips, for future reference:

Snak posted:

code:
if (x `elem` r) then True else False

You can write this as just x `elem` r.

Snak posted:

code:
checkS c r = case c of 
    (Seq cs)       -> if length cs > 1 then (checkS (head cs) r && checkS (Seq (tail cs)) r) else checkS (head cs) r

If I'm not mistaken, this is a much simpler way to do the same thing:

code:
checkS c r = case c of 
    (Seq cs) -> all (\c -> checkS c r) cs
It also has the benefit that it won't fail if cs is somehow empty.

* # ¿ Nov 18, 2015 17:04
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# ¿ May 3, 2024 22:11
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LOOK I AM A TURTLE
May 22, 2003

"I'm actually a tortoise."
Grimey Drawer

Asymmetrikon posted:

I like Idris over Haskell because of some of the historical weirdness it got rid of (switching : and ::, returning Maybe instead of erroring in, i.e., List access functions, the whole Monad/Applicative thing, Int vs. Integer.) I haven't looked too much into GHC 8, though.

Applicative has been a superclass of Monad since GHC 7.10. The duplicate functions like return/pure and (>>)/(*>) are still there though, and I guess they'll probably never go away.

* # ¿ Sep 3, 2016 13:05
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LOOK I AM A TURTLE
May 22, 2003

"I'm actually a tortoise."
Grimey Drawer
If you like functional programming you might enjoy using React with Flux/Redux (persistent change tracking) and RxJS (FRP-ish). If you prefer Angular 2 you can have static types with TypeScript, and you can use RxJS and/or Redux there as well. Keep in mind that there are always a million alternatives to every library though. Webdev still kind of sucks but it's come a long way.

* # ¿ Nov 27, 2016 23:56
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The Something Awful Forums > Discussion > Serious Hardware/Software Crap > The Cavern of COBOL > Functional Programming: This thread is like a burrito