From a4da89d6086b2b105fbed0922d93fa54565034d7 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Mon, 30 Jul 2018 17:29:39 +0200
Subject: [PATCH] Add Coerce and CoerceUnsized to mini_core

---
 mini_core.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mini_core.rs b/mini_core.rs
index 9ecfd5113fff..ca97c5cd8860 100644
--- a/mini_core.rs
+++ b/mini_core.rs
@@ -5,6 +5,14 @@
 #[lang="sized"]
 pub trait Sized {}
 
+#[lang = "unsize"]
+pub trait Unsize<T: ?Sized> {}
+
+#[lang = "coerce_unsized"]
+pub trait CoerceUnsized<T> {}
+
+impl<'a, 'b: 'a, T: ?Sized+Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
+
 #[lang="copy"]
 pub unsafe trait Copy {}