From 57f71b9f5258512a81dabdebe028300871e00692 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Tue, 10 Oct 2023 01:23:56 +0900
Subject: [PATCH] feat(context): add api ExposeCaller

---
 context.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/context.go b/context.go
index 6c29594..11c661d 100644
--- a/context.go
+++ b/context.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"reflect"
 	"sync"
+	"unsafe"
 
 	"github.com/wdvxdr1123/ZeroBot/message"
 )
@@ -26,6 +27,11 @@ func (ctx *Ctx) GetMatcher() *Matcher {
 	return ctx.ma
 }
 
+// ExposeCaller as *T, maybe panic if misused
+func ExposeCaller[T any](ctx *Ctx) *T {
+	return (*T)(*(*unsafe.Pointer)(unsafe.Add(unsafe.Pointer(&ctx.caller), unsafe.Sizeof(uintptr(0)))))
+}
+
 // decoder 反射获取的数据
 type decoder []dec