From ee09eb7f5461aa9e2374a6adbfbf130bfc0ebf21 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Thu, 5 Jan 2017 03:40:04 -0500
Subject: [PATCH] fix hash map implementation

standard library passes all tests now
---
 std/hash_map.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/std/hash_map.zig b/std/hash_map.zig
index 710ffadf3..9696ec331 100644
--- a/std/hash_map.zig
+++ b/std/hash_map.zig
@@ -76,6 +76,9 @@ pub fn HashMap(inline K: type, inline V: type, inline hash: fn(key: K)->u32,
         }
 
         pub fn put(hm: &Self, key: K, value: V) -> %void {
+            if (hm.entries.len == 0) {
+                %return hm.initCapacity(16);
+            }
             hm.incrementModificationCount();
 
             // if we get too full (60%), double the capacity