From 4ca01444f4602cc656ab467c38d7acaef15839c7 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Thu, 13 Feb 2020 22:28:53 -0800
Subject: [PATCH] Update src/mapreduce.jl

Co-Authored-By: Chris Foster <chris42f@gmail.com>
---
 src/mapreduce.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mapreduce.jl b/src/mapreduce.jl
index e871a8a6..f93f0928 100644
--- a/src/mapreduce.jl
+++ b/src/mapreduce.jl
@@ -309,7 +309,7 @@ _valof(::Val{D}) where D = D
         (init = (similar_type(a, Union{}, Size(0))(), init),),
     ) do (ys, acc), x
         y = rf(acc, x)
-        (vcat(ys, SA[y]), y)
+        (push(ys, y), y)
     end
     dims === (:) && return first(results)