feat(Go-StudyExample):增加cast类型转换工具包测试

example/cast/CastPoint_test.go

@@ -0,0 +1,22 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/12/28 9:52
+ *  @Description：
+ */
+
+package cast
+
+import (
+	"fmt"
+	"github.com/spf13/cast"
+	"testing"
+)
+
+func TestCastPoint(t *testing.T) {
+	p := new(int)
+	*p = 8
+	fmt.Println(cast.ToInt(p)) // 8
+
+	pp := &p
+	fmt.Println(cast.ToInt(pp)) // 8
+}