goos: darwin
goarch: 386
BenchmarkFoo-8   	2000000000	         0.00 ns/op
--- BENCH: BenchmarkFoo-8
	x_test.go:8: My benchmark
	x_test.go:8: My benchmark
	x_test.go:8: My benchmark
	x_test.go:8: My benchmark
	x_test.go:8: My benchmark
	x_test.go:8: My benchmark
PASS
ok  	command-line-arguments	0.009s