From aae61f796d72ee5f7622fad99872751453294afb Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 7 Dec 2020 22:49:03 -0800
Subject: [PATCH] Fix bug in find_indices.

---
 src/advent/util.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/advent/util.cr b/src/advent/util.cr
index 1bcce64..4391232 100644
--- a/src/advent/util.cr
+++ b/src/advent/util.cr
@@ -35,7 +35,7 @@ class Array(T)
   end
 
   def find_indices
-    into = [] of T
+    into = [] of Int32
     each_with_index do |v, i|
       into << i if yield v
     end