Added print, raised level on which UnboundGeneric error is returned

1 files changed, 15 insertions, 0 deletions

diff --git a/src/sexp/step.rs b/src/sexp/step.rs
index 816582c..94f6381 100644
--- a/src/sexp/step.rs
+++ b/src/sexp/step.rs
@@ -309,6 +309,21 @@ impl SExp {
                 None => panic!("unreachable as per match guard arm"),
             },
 
+            // prints
+            SCons(op, l) if op.clone().is_print() => match *op {
+                SCons(_, b) => {
+                    println!("{}", match *b {
+                        SCons(a, b) if *b == Atom(Nil) => *a,
+                        t => t,
+                    });
+                    Ok(match *l {
+                        SCons(a, b) if *b == Atom(Nil) => *a,
+                        t => t
+                    })
+                },
+                Atom(_) => panic!("unreachable as per match arm guard"),
+            },
+
 
             // op value and a1 .. an values, and b0, b1 .. bn not values
             // ---------------------------------------------------------