From 7523c7368c9e875eae6da46091cbf86c48041b89 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Tue, 24 Oct 2017 14:20:47 -0400
Subject: introduce liveness constraints into NLL code

And do a bunch of gratuitious refactoring that I did not bother to
separate into nice commits.
---
 src/librustc_data_structures/indexed_set.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/librustc_data_structures')

diff --git a/src/librustc_data_structures/indexed_set.rs b/src/librustc_data_structures/indexed_set.rs
index c790463e47a..c5ffb003399 100644
--- a/src/librustc_data_structures/indexed_set.rs
+++ b/src/librustc_data_structures/indexed_set.rs
@@ -53,11 +53,19 @@ pub struct IdxSet<T: Idx> {
 }
 
 impl<T: Idx> fmt::Debug for IdxSetBuf<T> {
-    fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result { self.bits.fmt(w) }
+    fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result {
+        w.debug_list()
+         .entries(self.iter())
+         .finish()
+    }
 }
 
 impl<T: Idx> fmt::Debug for IdxSet<T> {
-    fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result { self.bits.fmt(w) }
+    fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result {
+        w.debug_list()
+         .entries(self.iter())
+         .finish()
+    }
 }
 
 impl<T: Idx> IdxSetBuf<T> {
-- 
cgit 1.4.1-3-g733a5