zerolit
zerolit finds return zero values but they are not literal.
Install
You can get zerolit by go install command (Go 1.16 and higher).
$ go install github.com/gostaticanalysis/zerolit@latestHow to use
zerolit run with go vet as below when Go is 1.12 and higher.
$ go vet -vettool=$(which zerolit) ./...Analyze with golang.org/x/tools/go/analysis
You can get analyzers of zerolit from zerolit.Analyzers. And you can use them with unitchecker.