From f3a2d1d61648c53e340348c457f1117044455b7f Mon Sep 17 00:00:00 2001
From: "Alinson S. Xavier" <git@axavier.org>
Date: Fri, 7 Jul 2023 10:05:31 -0500
Subject: [PATCH] Fix bug in _compress when plants have fixed size

Capacity was being incorrectly multiplied by T twice. This
happened because there were two references to the same struct
in the plant sizes array. This fix replaces the second reference
by an actual copy of the struct.
---
 src/instance/parse.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/instance/parse.jl b/src/instance/parse.jl
index ac7b88f..2819267 100644
--- a/src/instance/parse.jl
+++ b/src/instance/parse.jl
@@ -171,7 +171,7 @@ function parse(json)::Instance
                     ),
                 )
             end
-            length(sizes) > 1 || push!(sizes, sizes[1])
+            length(sizes) > 1 || push!(sizes, deepcopy(sizes[1]))
             sort!(sizes, by = x -> x.capacity)
 
             # Initial capacity