Tomas Volf <~@wolfsden.cz> skribis:

> (lambda (expr)
>   (let* ((v expr)
>          (failure
>            (lambda ()
>              ((@@ (ice-9 match) throw)
>               'match-error
>               "match"
>               "no matching pattern"
>               v)
>              #f)))
>     #f))

Hi!  Currently the unused-variable warning pass is unable to determine
that ‘failure’ was introduced by expanding a macro and thus that no
warning should be emitted.

It’s always been this way and I don’t know of a clear way to fix it.

Ludo’.



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