slicenilcmp

slicenilcmp detects comparisons between slice and nil.

func f() {
	var basicSlice []int
	if basicSlice == nil { // want "suggestion: use len func for empty check"
		print(basicSlice)
	}

	if len(basicSlice) == 0 { // ok
		print(basicSlice)
	}
}

Install

$ go install github.com/replu/slicenilcmp/cmd/slicenilcmp@latest

How to use

$ go vet -vettool=$(which slicenilcmp) ./...