Prefer strings.ContainsRune

Proprietary

Replace strings.IndexRune(s, r) != -1 with strings.ContainsRune(s, r) and strings.IndexRune(s, r) == -1 with !strings.ContainsRune(s, r).

org.openrewrite.golang.codequality.PreferStringsContainsRune

mod run . --recipe=org.openrewrite.golang.codequality.PreferStringsContainsRune

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.