Fix match clone bug

src/__tests__/compiler.test.ts

@@ -68,6 +68,8 @@ describe("E2E Compiler Pipeline", () => {
       2, // IntersectionType tests
       20, // While loop
       "Hello, world! This is a test.",
+      12, // Array  of objects test + advanced match
+      173, // Array test
     ]);
   });
 

src/__tests__/fixtures/e2e-file.ts

@@ -234,6 +234,33 @@ pub fn test19() -> i32
 
 pub fn test20() -> string
   "Hello, world!" + " " + "This is a test."
+
+pub fn test21()
+  let arr = new_array<Optional<i32>>({ with_size: 4 })
+  arr.push(Some<i32> { value: 12 })
+  arr.pop()
+    .match(val)
+      Some<Optional<i32>>:
+        val.value
+      None:
+        None {}
+    .match(v)
+      Some<i32>:
+        v.value
+      None:
+        -1
+
+pub fn test22()
+  let arr = new_array<i32>({ from: FixedArray(1, 2, 3, 4) })
+  arr.push(5)
+  arr.push(3)
+  arr.push(173)
+  arr.pop()
+    .match(v)
+      Some<i32>:
+        v.value
+      None:
+        -1
 `;
 
 export const tcoText = `

src/syntax-objects/match.ts

@@ -76,11 +76,16 @@ export class Match extends Syntax implements ScopedSyntax {
     return new Match({
       ...this.getCloneOpts(parent),
       operand: this.operand.clone(),
-      cases: this.cases.map((c) => ({ ...c, expr: c.expr.clone() })),
+      cases: this.cases.map((c) => ({
+        expr: c.expr.clone(),
+        matchTypeExpr: c.matchTypeExpr?.clone(),
+        matchType: undefined,
+      })),
       defaultCase: this.defaultCase
         ? {
-            ...this.defaultCase,
             expr: this.defaultCase.expr.clone(),
+            matchTypeExpr: this.defaultCase.matchTypeExpr?.clone(),
+            matchType: undefined,
           }
         : undefined,
       type: this.type,