From 6504d8c244af90fad76d101406a47a1ac4b22e22 Mon Sep 17 00:00:00 2001
From: Jonas Maier <>
Date: Sat, 7 Mar 2026 12:43:38 +0100
Subject: can declare but not yet use variables

---
 src/main.rs    | 3 +++
 src/run/mod.rs | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index 925c62c..1dd86bc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,6 +25,7 @@ use linebuf::LineBuf;
 use raw::*;
 
 use crate::cursor::{Direction, move_cursor};
+use crate::parse::{Ast, PreExpansion};
 use crate::run::CommandDispatch;
 
 macro_rules! print {
@@ -64,6 +65,7 @@ pub struct Session {
     dispatch: CommandDispatch,
     prev_path: BString,
     vars: HashMap<BString, BString>,
+    funs: HashMap<BString, Ast<PreExpansion>>,
 
     /// n before end of history.len()
     /// 0 == not checking history
@@ -205,6 +207,7 @@ fn event_loop() {
         prev_path: vec![b'.'],
         history_visit: 0,
         vars: HashMap::new(),
+        funs: HashMap::new(),
     };
 
     print!("{}", se.prompt());
diff --git a/src/run/mod.rs b/src/run/mod.rs
index db0ed05..4970792 100644
--- a/src/run/mod.rs
+++ b/src/run/mod.rs
@@ -208,7 +208,8 @@ impl Executor {
     }
 
     fn execute_fun_decl(&mut self, fd: parse::FunDecl<PostExpansion>) -> Result<(), ExecError> {
-        todo!()
+        self.se.lock().unwrap().funs.insert(fd.name, *fd.body.body);
+        Ok(())
     }
 
     fn execute(
-- 
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