From 9db4b3652fcb7ecce8e4aace16822816c225558f Mon Sep 17 00:00:00 2001
From: Stanly <eashingliaw@gmail.com>
Date: Mon, 13 Sep 2021 19:20:45 +0800
Subject: [PATCH] Add Slice push, pop, unshift, shift, json

---
 types/slice.go | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 types/slice.go

diff --git a/types/slice.go b/types/slice.go
new file mode 100644
index 0000000..736ba73
--- /dev/null
+++ b/types/slice.go
@@ -0,0 +1,55 @@
+package types
+
+import (
+	"encoding/json"
+)
+
+type Slice []interface{}
+
+// Push 後堆
+func (slice *Slice) Push(value interface{}) {
+	*slice = append(*slice, value)
+}
+
+// Pop 後取
+func (slice *Slice) Pop() (value interface{}) {
+	length := len(*slice)
+	if length > 0 {
+		value = (*slice)[length-1]
+		*slice = append((*slice)[:length-1])
+	}
+
+	return value
+}
+
+// Unshift 前堆
+func (slice *Slice) Unshift(value interface{}) {
+	*slice = append(Slice{value}, *slice...)
+}
+
+// Shift 前取
+func (slice *Slice) Shift() (value interface{}) {
+	length := len(*slice)
+	if length > 0 {
+		value = (*slice)[0]
+		*slice = (*slice)[1:length]
+	}
+
+	return value
+}
+
+// JSON 取得json
+func (slice *Slice) JSON() ([]byte, error) {
+	bs, err := json.Marshal(slice)
+	if err != nil {
+		return nil, err
+	}
+
+	return bs, nil
+}
+
+// MustJSON 強制取得json
+func (slice *Slice) MustJSON() []byte {
+	bs, _ := slice.JSON()
+	return bs
+}