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filter, then isEmpty is equivalent to not any #297

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lue-bird opened this issue Mar 7, 2024 · 0 comments

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lue-bird commented Mar 7, 2024

List.isEmpty (List.filter isOdd list)
--> not (List.any isOdd list)

(strangely, no other published elm/... module exposes both any and filter.)

If we want to save an extra step, we can also introduce separate checks for the negated applications like

not (List.isEmpty (List.filter isOdd list))
--> List.any isOdd list

(found in the FSharpLint default config)

lue-bird added the enhancement label

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