type checking !?!?

src/ir/upper/inst.rs

@@ -0,0 +1,27 @@
+use crate::{common::FileSpan, ir::VarID};
+use std::fmt::Debug;
+
+use super::IRUInstruction;
+
+#[derive(Clone, Copy)]
+pub struct VarInst {
+    pub id: VarID,
+    pub span: FileSpan,
+}
+
+pub struct IRUInstrInst {
+    pub i: IRUInstruction,
+    pub span: FileSpan,
+}
+
+impl Debug for VarInst {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.id)
+    }
+}
+
+impl Debug for IRUInstrInst {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.i)
+    }
+}