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Misleading `this argument will not be used by the function` warning #8159

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Seems like this warning is wrong, because the argument is used in the output.

cknitt commented on Jan 11, 2026
cknitt
on Jan 11, 2026
Member
@alex35mil Can you provide a small standalone repro, ideally as a playground link?
alex35mil commented on Jan 12, 2026
alex35mil
on Jan 12, 2026
ContributorAuthor
@cknitt Sure!

https://rescript-lang.org/try?version=v12.0.0-beta.6&module=esmodule&code=AIJwpghgxgLgdFA9gWwA6IHZgzAUAGzBgAJkIBrMYgXmIAoBKGgPmIG9djiAeAEwEsAbpy7FMABQgBnGGGpswg7CWqsOo0YRJR8-VACNEEELxrFFygLTMASpFgBRJTjgBhXQaMmEHw8d4AIhAwECIaWsSyAB4qxDp6fiYA2gBEAOZEQSEpALp0KdEwAPSo+BD8GCkMYaKumFKIhHD4iGl0hdUaAL5dIkXMuF1AA

PS Remove -20 in the warnings settings to see the warning.

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