8 func TestFoo(t *testing.T) {
9 strings.Replace("", "", "", 1) // want `is a pure function but its return value is ignored`
12 func BenchmarkFoo(b *testing.B) {
13 strings.Replace("", "", "", 1)
16 func doBenchmark(s string, b *testing.B) {
17 strings.Replace("", "", "", 1)
20 func BenchmarkBar(b *testing.B) {