Update example

cristalhq · May 21, 2022 · 0df126a · 0df126a
1 parent 44eb7a3
commit 0df126a
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Showing 2 changed files with 15 additions and 8 deletions.
diff --git a/README.md b/README.md
@@ -28,13 +28,20 @@ go get github.com/cristalhq/flagx
 ## Example
 
 ```go
-fset := flagx.NewFlagSet("testing")
-d := fset.Duration("timeout", "t", 10*time.Second, "just a timeout")
+args := []string{"-t", "20s"}
 
-err := fset.Parse([]string{"-t", "20s"})
+var d time.Duration
+fset := flagx.NewFlagSet("testing", os.Stderr)
+fset.Duration(&d, "timeout", "t", 10*time.Second, "just a timeout")
+
+err := fset.Parse(args)
 if err != nil {
 	panic(err)
 }
+
+fmt.Println(d)
+
+// Output: 20s
 ```
 
 Also see examples: [examples_test.go](https://github.com/cristalhq/flagx/blob/main/example_test.go).

diff --git a/example_test.go b/example_test.go
@@ -10,20 +10,20 @@ import (
 )
 
 func ExampleFlagSet() {
+	args := []string{"-t", "20s"}
+
 	var d time.Duration
 	fset := flagx.NewFlagSet("testing", os.Stderr)
 	fset.Duration(&d, "timeout", "t", 10*time.Second, "just a timeout")
 
-	err := fset.Parse([]string{"-t", "20s"})
+	err := fset.Parse(args)
 	if err != nil {
 		panic(err)
 	}
 
-	if d != 20*time.Second {
-		panic(fmt.Sprintf("got %v want %v", d, 20*time.Second))
-	}
+	fmt.Println(d)
 
-	// Output:
+	// Output: 20s
 }
 
 func ExampleTextVar() {