1 files changed, 16 insertions, 0 deletions
diff --git a/doc/progs/unused2.go b/doc/progs/unused2.go
new file mode 100644
index 000000000..5c5f9d74f
--- /dev/null
+++ b/doc/progs/unused2.go
@@ -0,0 +1,16 @@
+// compile
+
+package main
+
+import (
+	"fmt"
+	"io"
+)
+
+var _ = fmt.Printf
+var _ io.Reader
+
+func main() {
+	greeting := "hello, world"
+	_ = greeting
+}