From 4b34aecec66c9123399f14a8f75ee8d0aff47a44 Mon Sep 17 00:00:00 2001
From: Jonas Maier <>
Date: Sat, 7 Mar 2026 10:06:19 +0100
Subject: some warnings gone

---
 src/parse.rs   |  6 ------
 src/run/mod.rs | 14 +++++++++++---
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/parse.rs b/src/parse.rs
index b1721be..809f76b 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -103,12 +103,6 @@ impl FunDecl<PreExpansion> {
     }
 }
 
-#[derive(Debug, Clone)]
-pub struct VarDecl<S: Stage> {
-    pub name: S::Str,
-    pub val: S::Str,
-}
-
 #[derive(Debug, Clone)]
 pub struct VarAssign<S: Stage> {
     pub var: S::Str,
diff --git a/src/run/mod.rs b/src/run/mod.rs
index 3803936..2d137c6 100644
--- a/src/run/mod.rs
+++ b/src/run/mod.rs
@@ -166,8 +166,16 @@ impl Executor {
         } else {
             let mut code = 0;
             for jh in threads {
-                // TODO do not ignore panics
-                let _ = jh.join();
+                match jh.join() {
+                    Ok(Ok(())) => (),
+                    Ok(Err(e)) => {
+                        match e {
+                            BuiltinError::IO(_) => code = -1,
+                            BuiltinError::Exit(c) => code = c,
+                        }
+                    }
+                    Err(_) => code = 127,
+                }
             }
             for child in children.iter_mut() {
                 match child.wait() {
@@ -258,7 +266,7 @@ pub fn run(se: Arc<Mutex<Session>>, cmd: Vec<u8>) {
 }
 
 #[derive(Debug)]
-enum BuiltinError {
+pub enum BuiltinError {
     IO(std::io::Error),
     Exit(i32),
 }
-- 
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