summaryrefslogtreecommitdiff
path: root/doc/progs/eff_unused2.go
blob: 3e6e041c76e7515461ea263bb3ca9dbc34988ef8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
// compile

package main

import (
	"fmt"
	"io"
	"log"
	"os"
)

var _ = fmt.Printf // For debugging; delete when done.
var _ io.Reader    // For debugging; delete when done.

func main() {
	fd, err := os.Open("test.go")
	if err != nil {
		log.Fatal(err)
	}
	// TODO: use fd.
	_ = fd
}