From: qydysky <qydysky@foxmail.com>
Date: Thu, 10 Jun 2021 18:05:38 +0000 (+0800)
Subject: 语法糖
X-Git-Tag: v0.5.22~1
X-Git-Url: http://127.0.0.1:8081/?a=commitdiff_plain;h=4367eea6bcd2229850068699afc818c48b07b5c5;p=part%2F.git

语法糖
---

diff --git a/util/util.go b/util/util.go
new file mode 100644
index 0000000..a432f08
--- /dev/null
+++ b/util/util.go
@@ -0,0 +1,22 @@
+package part
+
+import (
+	"reflect"
+)
+
+//语法糖
+
+//数组切片，重新分配内存
+// i := []int{0,1,2}
+// b := SliceCut(i[:1]).([]int)
+func SliceCopy(src interface{}) (des interface{}) {
+	srcV := reflect.ValueOf(src)
+	if sk := srcV.Kind();sk != reflect.Slice && sk != reflect.Array {
+		panic(&reflect.ValueError{Method:"reflect.Copy", Kind:sk})
+	}
+	desV := reflect.MakeSlice(srcV.Type(),srcV.Len(),srcV.Len())
+	reflect.Copy(desV, srcV)
+	des = desV.Interface()
+	return
+}
+