commit 76de1230d0c90458c627c60726db6bb62a338300
Author: Nhân <hi@imnhan.com>
Date:   Fri Jul 7 22:20:44 2023 +0700

    print regeneration time

diff --git a/main.go b/main.go
index ba6daf7..6ff70fc 100644
--- a/main.go
+++ b/main.go
@@ -57,6 +57,7 @@ func main() {
 }
 
 func regenerate(fsys WritableFS) {
+	defer timer("Took %s")()
 	site := readSiteMetadata(fsys)
 	articles := findArticles(fsys)
 
diff --git a/utils.go b/utils.go
new file mode 100644
index 0000000..32dec8f
--- /dev/null
+++ b/utils.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func timer(format string) func() {
+	start := time.Now()
+	return func() {
+		fmt.Printf(format+"\n", time.Since(start))
+	}
+}
+
+func contains(s []string, e string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}
diff --git a/watcher.go b/watcher.go
index 33acb06..36d9dc9 100644
--- a/watcher.go
+++ b/watcher.go
@@ -100,12 +100,3 @@ func printWatchList(w *fsnotify.Watcher) {
 		fmt.Println("  " + path)
 	}
 }
-
-func contains(s []string, e string) bool {
-	for _, a := range s {
-		if a == e {
-			return true
-		}
-	}
-	return false
-}