From 087aa5feedbe8093b3f352ed7161b1512daccd8e Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Fri, 3 May 2019 21:03:04 +0200
Subject: [PATCH] pool!: accept attributes

---
 src/pool/mod.rs       | 6 +++++-
 src/pool/singleton.rs | 7 ++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/pool/mod.rs b/src/pool/mod.rs
index 7ba3314e..c9f8a94b 100644
--- a/src/pool/mod.rs
+++ b/src/pool/mod.rs
@@ -14,7 +14,11 @@
 //! use heapless::{pool, pool::singleton::Box};
 //!
 //! // instantiate a memory pool of `[u8; 128]` blocks as a global singleton
-//! pool!(A: [u8; 128]);
+//! pool!(
+//!     // attributes can be used here
+//!     // #[link_section = ".ccram.A"]
+//!     A: [u8; 128]
+//! );
 //!
 //! #[entry]
 //! fn main() -> ! {
diff --git a/src/pool/singleton.rs b/src/pool/singleton.rs
index cb2ffc02..43ef6827 100644
--- a/src/pool/singleton.rs
+++ b/src/pool/singleton.rs
@@ -18,16 +18,17 @@ use super::{Init, Uninit};
 #[cfg(any(armv7m, armv7r, test))]
 #[macro_export]
 macro_rules! pool {
-    ($ident:ident: $ty:ty) => {
+    ($(#[$($attr:tt)*])* $ident:ident: $ty:ty) => {
         pub struct $ident;
 
         impl $crate::pool::singleton::Pool for $ident {
             type Data = $ty;
 
             fn ptr() -> &'static $crate::pool::Pool<$ty> {
-                static POOL: $crate::pool::Pool<$ty> = $crate::pool::Pool::new();
+                $(#[$($attr)*])*
+                static $ident: $crate::pool::Pool<$ty> = $crate::pool::Pool::new();
 
-                &POOL
+                &$ident
             }
         }
     };