Merge pull request goplus#644 from xushiwei/q

library: io/ioutil

README.md

@@ -277,6 +277,7 @@ Here are the Go packages that can be imported correctly:
 * [context](https://pkg.go.dev/context)
 * [io](https://pkg.go.dev/io)
 * [io/fs](https://pkg.go.dev/io/fs)
+* [io/ioutil](https://pkg.go.dev/io/ioutil)
 * [log](https://pkg.go.dev/log)
 * [flag](https://pkg.go.dev/flag)
 * [sort](https://pkg.go.dev/sort)

_cmptest/ioutildemo/ioutil.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"strings"
+)
+
+func main() {
+	r := strings.NewReader("Go is a general-purpose language designed with systems programming in mind.")
+
+	b, err := ioutil.ReadAll(r)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("%s\n", b)
+}