Stair-climbing puzzle: Difference between revisions
Realize in F#
(Realize in F#) |
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end procedure</syntaxhighlight>
=={{header|F_Sharp|F#}}==
let rec step_up() = while not(step()) do step_up()
</syntaxhighlight>
=={{header|Factor}}==
<syntaxhighlight lang="factor">: step-up ( -- ) step [ step-up step-up ] unless ;</syntaxhighlight>
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=={{header|Standard ML}}==
▲<syntaxhighlight lang="standard ml">
<syntaxhighlight lang="sml">
(*
* val step : unit -> bool
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*)
fun step_up() = step() orelse (step_up() andalso step_up())
</syntaxhighlight>
Alternate version:
<syntaxhighlight lang="sml">fun step() = true
fun step_up() = while step() = false do step_up()
</syntaxhighlight>
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{{trans|Kotlin}}
{{libheader|Wren-fmt}}
<syntaxhighlight lang="
import "./fmt" for Conv
var rand = Random.new(1268) // generates short repeatable sequence
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