From 177c70071151a0be9117f1439d2f487e6722df3c Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sun, 16 Jul 2023 11:51:00 -0700
Subject: [PATCH] Import from alloc to make remaining std dependencies clear

---
 src/lib.rs    | 2 ++
 src/marker.rs | 4 ++--
 src/rcvec.rs  | 6 +++---
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index f7d8610b..d8ba615c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -118,6 +118,8 @@ compile_error! {"\
     build script as well.
 "}
 
+extern crate alloc;
+
 #[cfg(feature = "proc-macro")]
 extern crate proc_macro;
 
diff --git a/src/marker.rs b/src/marker.rs
index 59fd0963..e648dd21 100644
--- a/src/marker.rs
+++ b/src/marker.rs
@@ -1,6 +1,6 @@
+use alloc::rc::Rc;
 use core::marker::PhantomData;
-use std::panic::{RefUnwindSafe, UnwindSafe};
-use std::rc::Rc;
+use core::panic::{RefUnwindSafe, UnwindSafe};
 
 // Zero sized marker with the correct set of autotrait impls we want all proc
 // macro types to have.
diff --git a/src/rcvec.rs b/src/rcvec.rs
index 4b3920b8..37955afb 100644
--- a/src/rcvec.rs
+++ b/src/rcvec.rs
@@ -1,8 +1,8 @@
+use alloc::rc::Rc;
+use alloc::vec;
 use core::mem;
+use core::panic::RefUnwindSafe;
 use core::slice;
-use std::panic::RefUnwindSafe;
-use std::rc::Rc;
-use std::vec;
 
 pub(crate) struct RcVec<T> {
     inner: Rc<Vec<T>>,