Repeat: Difference between revisions
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(Added various dialects BASIC (BASIC256, QBasic, Chipmunk Basic, GW-BASIC, True BASIC, Minimal BASIC, MSX Basic, Quite BASIC and XBasic)) |
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=={{header|Lean}}== |
=={{header|Lean}}== |
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===Lean 3.4.2=== |
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<syntaxhighlight lang="lean"> |
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def repeat : ℕ → (ℕ → string) → string |
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| 0 f := "done" |
| 0 f := "done" |
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| (n + 1) f := (f n) ++ (repeat n f) |
| (n + 1) f := (f n) ++ (repeat n f) |
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#eval repeat 5 $ λ b : ℕ , "me " |
#eval repeat 5 $ λ b : ℕ , "me " |
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</syntaxhighlight> |
</syntaxhighlight> |
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{{out}} |
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<pre> |
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"me me me me me done" |
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</pre> |
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===Lean 4=== |
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<syntaxhighlight lang="lean"> |
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def repeatf (f : Nat -> String) (n : Nat) : String := |
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match n with |
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| 0 => "." |
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| (k + 1) => (f k) ++ (repeatf f k) |
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def example1 : String := |
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repeatf (fun (x : Nat) => toString (x) ++ " ") (10) |
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#eval example1 |
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</syntaxhighlight> |
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{{out}} |
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<pre> |
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"9 8 7 6 5 4 3 2 1 0 ." |
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</pre> |
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=={{header|LiveCode}}== |
=={{header|LiveCode}}== |
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