From 794df40494e8c83532aed39153088697aca2f57b Mon Sep 17 00:00:00 2001
From: Joel Kronqvist <joel.kronqvist@iki.fi>
Date: Sat, 26 Jul 2025 18:49:56 +0300
Subject: Implemented substitution

---
 src/sexp/mod.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/sexp/mod.rs')

diff --git a/src/sexp/mod.rs b/src/sexp/mod.rs
index d866be5..dee672f 100644
--- a/src/sexp/mod.rs
+++ b/src/sexp/mod.rs
@@ -9,6 +9,7 @@ pub mod subst;
 /// variables, functions (to be added) or values.
 #[derive(Debug)]
 #[derive(PartialEq)]
+#[derive(Clone)]
 pub enum SLeaf {
     Add,
     Sub,
@@ -24,6 +25,7 @@ pub enum SLeaf {
 /// IETF-standardized s-expressions; they are only inspiration.
 #[derive(Debug)]
 #[derive(PartialEq)]
+#[derive(Clone)]
 pub enum SExp {
     SCons(Box<SExp>, Box<SExp>),
     Atom(SLeaf),
-- 
cgit v1.2.3