From 3ad142d5d759d0e0cb637a9294461b1f6d6e7eec Mon Sep 17 00:00:00 2001
From: dudaodong <lanliddd.2007@163.com>
Date: Wed, 30 Mar 2022 19:41:55 +0800
Subject: [PATCH] feat: add ForEach func

---
 maputil/map.go      |  7 +++++++
 maputil/map_test.go | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/maputil/map.go b/maputil/map.go
index 98f803c..58858a2 100644
--- a/maputil/map.go
+++ b/maputil/map.go
@@ -38,3 +38,10 @@ func Merge[K comparable, V any](maps ...map[K]V) map[K]V {
 
 	return res
 }
+
+// ForEach executes iteratee funcation for every key and value pair in map
+func ForEach[K comparable, V any](m map[K]V, iteratee func(key K, value V)) {
+	for k, v := range m {
+		iteratee(k, v)
+	}
+}
diff --git a/maputil/map_test.go b/maputil/map_test.go
index 54259f1..c32e9a5 100644
--- a/maputil/map_test.go
+++ b/maputil/map_test.go
@@ -62,3 +62,22 @@ func TestMerge(t *testing.T) {
 
 	assert.Equal(expected, acturl)
 }
+
+func TestForEach(t *testing.T) {
+	assert := internal.NewAssert(t, "TestForEach")
+
+	m := map[string]int{
+		"a": 1,
+		"b": 2,
+		"c": 3,
+		"d": 4,
+	}
+
+	var sum int
+
+	ForEach(m, func(_ string, value int) {
+		sum += value
+	})
+
+	assert.Equal(10, sum)
+}