From 46229fd74ff6319aed57a9eb5dce8aaddfebf760 Mon Sep 17 00:00:00 2001
From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com>
Date: Sat, 16 Apr 2022 00:01:28 +0200
Subject: [PATCH] remove `SetNull` from code

---
 rust2/src/codegen.rs             | 2 --
 rust2/src/codegen_interpreter.rs | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/rust2/src/codegen.rs b/rust2/src/codegen.rs
index 3f27b3a..9d4386d 100644
--- a/rust2/src/codegen.rs
+++ b/rust2/src/codegen.rs
@@ -31,7 +31,6 @@ pub enum Stmt {
     Left(u32),
     Out,
     In,
-    SetNull,
     SetN(u8),
     JmpIfZero(u32),
     JmpIfNonZero(u32),
@@ -91,7 +90,6 @@ fn ir_to_stmt<'c>(code: &mut Code<'c>, ir_stmt: &IrStmt<'_>) {
         StmtKind::Left(n) => Stmt::Left(u32::try_from(*n).unwrap()),
         StmtKind::Out => Stmt::Out,
         StmtKind::In => Stmt::In,
-        StmtKind::SetN(0) => Stmt::SetNull,
         StmtKind::SetN(n) => Stmt::SetN(*n),
         StmtKind::Loop(instr) => {
             let skip_jmp_idx = code.stmts.len();
diff --git a/rust2/src/codegen_interpreter.rs b/rust2/src/codegen_interpreter.rs
index 0935445..eb84cd3 100644
--- a/rust2/src/codegen_interpreter.rs
+++ b/rust2/src/codegen_interpreter.rs
@@ -84,9 +84,6 @@ where
                     self.stdin.read_exact(&mut buf).unwrap();
                     *self.elem_mut() = Wrapping(buf[0]);
                 }
-                Stmt::SetNull => {
-                    *self.elem_mut() = Wrapping(0);
-                }
                 Stmt::SetN(n) => {
                     *self.elem_mut() = Wrapping(n);
                 }