From e0af620e57dd811672acab708ec042a8493379a1 Mon Sep 17 00:00:00 2001
From: Kirill Danshin <k@guava.by>
Date: Fri, 18 Nov 2016 16:31:43 +0300
Subject: [PATCH] document #4

---
 efaceconv.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/efaceconv.go b/efaceconv.go
index 95706c2..c520f22 100644
--- a/efaceconv.go
+++ b/efaceconv.go
@@ -16,11 +16,13 @@ func init() {
 }
 
 // GetKind returns arg's kind
+// panics if arg is a pointer to value
 func GetKind(arg interface{}) uintptr {
 	return *(*uintptr)(unsafe.Pointer((*(*[2]uintptr)(unsafe.Pointer(&arg)))[0]))
 }
 
 // GetDataPtr returns pointer to arg's data
+// panics if arg is a pointer to value
 func GetDataPtr(arg interface{}) unsafe.Pointer {
 	return unsafe.Pointer((*(*[2]uintptr)(unsafe.Pointer(&arg)))[1])
 }