Merge pull request #349 from coady/master

Simplified cons.
pytoolz · Nov 4, 2016 · 38facbc · 38facbc
2 parents 9dec542 + a805593
commit 38facbc
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/toolz/itertoolz.py b/toolz/itertoolz.py
@@ -511,9 +511,7 @@ def cons(el, seq):
     >>> list(cons(1, [2, 3]))
     [1, 2, 3]
     """
-    yield el
-    for s in seq:
-        yield s
+    return itertools.chain([el], seq)
 
 
 def interpose(el, seq):