modify readme

ddddddO · May 21, 2022 · e3ffdaf · e3ffdaf
1 parent b8e9192
commit e3ffdaf
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Showing 2 changed files with 10 additions and 8 deletions.
diff --git a/README.md b/README.md
@@ -26,6 +26,7 @@ package main
 
 import (
 	"fmt"
+	"os"
 
 	g "github.com/ddddddO/gdag"
 )
@@ -58,8 +59,8 @@ func main() {
 
 	uml, err := dag.UML()
 	if err != nil {
-		fmt.Println(err)
-		return
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
 	}
 	fmt.Println(uml)
 }

diff --git a/_example/dinner/main.go b/_example/dinner/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"os"
 
 	g "github.com/ddddddO/gdag"
 )
@@ -31,26 +32,26 @@ func main() {
 
 	uml, err := dag.UML()
 	if err != nil {
-		fmt.Println(err)
-		return
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
 	}
 	fmt.Println(uml)
 
 	fmt.Println()
 
 	mermaid, err := dag.Mermaid()
 	if err != nil {
-		fmt.Println(err)
-		return
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
 	}
 	fmt.Println(mermaid)
 
 	fmt.Println()
 
 	checklist, err := dag.CheckList()
 	if err != nil {
-		fmt.Println(err)
-		return
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
 	}
 	fmt.Println(checklist)
 }