about piping. is piping, with dedicated operators ...

# arrow

[Marko Novakovic]

about piping. is piping, with dedicated operators etc., required only in languages that don’t support extension functions?
for example:
F#

let f = [ 1; 2; 3; 4; 5 ] |> List.map (fun x -> x * 2) |> List.map string

Kotlin

fun f() = listOf(1, 2, 3, 4, 5).map { it * 2 }.map(Int::toString)

it’s much nicer looking in Kotlin because map is en extension function.
same goes for .let {}, .apply {} etc.

[pakoito]

Not necessarily required, just an alternative approach.

One tradeoff is that let { } is much easier on the parser than pipe blocks, because you reuse the semantics of regular blocks

[Marko Novakovic]

I have very limited set for comparison: F# and Kotlin so this is just what I observed from working in those two

[pakoito]

Its a good observation, yes 😄

[Marko Novakovic]

thanks 😄