From 37a7a0f2e1aea2c6b70f9db67d8f9a8c5e704a78 Mon Sep 17 00:00:00 2001
From: imaqtkatt <eduarda.so@proton.me>
Date: Wed, 3 Jul 2024 11:55:13 -0300
Subject: [PATCH] Change to use index structures

---
 src/imp/mod.rs | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/imp/mod.rs b/src/imp/mod.rs
index fa2f9504..fe513f1b 100644
--- a/src/imp/mod.rs
+++ b/src/imp/mod.rs
@@ -3,9 +3,8 @@ mod order_kwargs;
 pub mod parser;
 pub mod to_fun;
 
-use std::collections::HashSet;
-
 use crate::fun::{CtrField, Name, Num, Op};
+use indexmap::{IndexMap, IndexSet};
 use interner::global::GlobalString;
 
 #[derive(Clone, Debug)]
@@ -240,12 +239,12 @@ impl InPlaceOp {
 }
 
 pub trait RepeatedNames {
-  fn find_repeated_names(&self) -> HashSet<Name>;
+  fn find_repeated_names(&self) -> IndexSet<Name>;
 }
 
 impl RepeatedNames for Vec<CtrField> {
-  fn find_repeated_names(&self) -> HashSet<Name> {
-    let mut count = std::collections::HashMap::new();
+  fn find_repeated_names(&self) -> IndexSet<Name> {
+    let mut count = IndexMap::new();
     for field in self.iter() {
       *count.entry(field.nam.clone()).or_insert(0) += 1;
     }
@@ -254,7 +253,7 @@ impl RepeatedNames for Vec<CtrField> {
 }
 
 impl RepeatedNames for Variant {
-  fn find_repeated_names(&self) -> HashSet<Name> {
+  fn find_repeated_names(&self) -> IndexSet<Name> {
     self.fields.find_repeated_names()
   }
 }