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Dannyu NDos
Dannyu NDos
5:11 AM
I wondered if a purely functional language could allow overloading functions and constructors, but realized that Haskell doesn't do that because typeclasses are a more rigorous approach for that. :(
 
12 hours later…
Seggan
Seggan
5:05 PM
CMP: similar to the above poll, whats your favorite obscure language feature?
mine is probably the TODO() function in kotlin
Ginger
Ginger
the fact that Kotlin lets you do val <T: Any> T.listOfMe get() = listOf(this)
(which works because extension properties are statically resolved, like reified functions)
RubenVerg
RubenVerg
5:47 PM
@Seggan oh, it's obscure in Kotlin? the equivalent Scala function, ???, is very common
though yours is nicer in that you can specify a message
 
1 hour later…
Eldritch Conundrum
Eldritch Conundrum
7:13 PM
idk if F#'s active patterns are "obscure" but I love them: learn.microsoft.com/en-us/dotnet/fsharp/language-reference/…
 
4 hours later…
Ginger
Ginger
11:14 PM
I think F# as a whole is obscure :p
Unrelated String
Unrelated String
Those do seem so nice
lyxal
lyxal
@Seggan this is pass or ... in python and I wouldn't say it's very obscure
Unrelated String
Unrelated String
The Scala one's docs say it specifically errors if the code is actually reached at runtime
which in Python is... raise NotImplementedError
Also not obscure, but a bit wordy :P

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