From 6aabf9b7dd1d7522ba574225992537ea57c9aadb Mon Sep 17 00:00:00 2001
From: Billingsly Wetherfordshire <phowl.mouth@gmail.com>
Date: Sat, 4 May 2013 03:15:22 -0500
Subject: [PATCH] add hashing for seqs

---
 lib/pure/hashes.nim | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/pure/hashes.nim b/lib/pure/hashes.nim
index cf0777ff7..0e9e3600d 100644
--- a/lib/pure/hashes.nim
+++ b/lib/pure/hashes.nim
@@ -126,3 +126,6 @@ proc hash*(x: float): THash {.inline.} =
   var y = x + 1.0
   result = cast[ptr THash](addr(y))[]
 
+proc hash*[A](x: seq[A]): THash =
+  for it in items(x): result = result !& hash(it)
+  result = !$result