From 64faa5bad78b74fff1aca73987b010cb2961c027 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edvard=20Th=C3=B6rnros?= <edvard.thornros@gmail.com>
Date: Tue, 9 Mar 2021 17:46:37 +0100
Subject: more hash sets!

---
 src/vm.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/vm.rs')

diff --git a/src/vm.rs b/src/vm.rs
index f99f611..3652321 100644
--- a/src/vm.rs
+++ b/src/vm.rs
@@ -773,10 +773,10 @@ impl VM {
                 let mut err = None;
                 self.stack[new_base] = match callable {
                     Value::Union(alts) => {
-                        let mut returns = Vec::new();
+                        let mut returns = HashSet::new();
                         for alt in alts.iter() {
                             if let Ok(res) = call_callable(&alt) {
-                                returns.push(res);
+                                returns.insert(res);
                             }
                         }
                         if returns.is_empty() {
-- 
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