From f429b3e67f641ca06508d8fd19529b3f33e1e40e Mon Sep 17 00:00:00 2001
From: DrMeepster <19316085+DrMeepster@users.noreply.github.com>
Date: Mon, 1 Aug 2022 13:51:58 -0700
Subject: [PATCH] remove box_free and replace with drop impl

---
 example/mini_core.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/example/mini_core.rs b/example/mini_core.rs
index 772dd98fade..79ca4c03985 100644
--- a/example/mini_core.rs
+++ b/example/mini_core.rs
@@ -546,7 +546,8 @@ pub fn new(val: T) -> Box<T> {
 
 impl<T: ?Sized, A> Drop for Box<T, A> {
     fn drop(&mut self) {
-        // drop is currently performed by compiler.
+        // inner value is dropped by compiler
+        libc::free(self.0.pointer.0 as *mut u8);
     }
 }
 
@@ -563,11 +564,6 @@ unsafe fn allocate(size: usize, _align: usize) -> *mut u8 {
     libc::malloc(size)
 }
 
-#[lang = "box_free"]
-unsafe fn box_free<T: ?Sized>(ptr: Unique<T>, _alloc: ()) {
-    libc::free(ptr.pointer.0 as *mut u8);
-}
-
 #[lang = "drop"]
 pub trait Drop {
     fn drop(&mut self);