commit 8ad3e3e7c991d3e45af01af15c469cbb00a313b6
author David Tolnay <dtolnay@gmail.com> Sat Jun 03 16:45:00 2017 -0700
committer David Tolnay <dtolnay@gmail.com> Sat Jun 03 16:45:00 2017 -0700
tree 60de9d267d081de7c745678a1915e1a6b0a12e0b
parent cb1b85f2ab4d340b536e0a2a863c236ebb889f25

More useful Debug for Symbol

Fixes #26.

src/stable.rs

diff --git a/src/stable.rs b/src/stable.rs
index 26b2686..a6daf84 100644
--- a/src/stable.rs
+++ b/src/stable.rs
@@ -146,7 +146,7 @@
     }
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone)]
 pub struct Symbol {
     intern: usize,
     not_send_sync: PhantomData<*const ()>,
@@ -177,6 +177,12 @@
     }
 }
 
+impl fmt::Debug for Symbol {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_tuple("Symbol").field(&&**self).finish()
+    }
+}
+
 struct Interner {
     string_to_index: HashMap<MyRc, usize>,
     index_to_string: Vec<Rc<String>>,