fix: panic in formatter when substracting u8 0 - 1

crates/aiken-lang/src/tests/format.rs

@@ -87,6 +87,39 @@ fn format_grouped_expression() {
     );
 }
 
+#[test]
+fn format_grouped_expression_2() {
+    assert_format!(
+        r#"
+        fn foo() {
+           ( y == x ) |> f
+        }
+        "#
+    );
+}
+
+#[test]
+fn format_grouped_expression_3() {
+    assert_format!(
+        r#"
+        fn foo() {
+          { x |> f } == y
+        }
+        "#
+    );
+}
+
+#[test]
+fn format_grouped_expression_4() {
+    assert_format!(
+        r#"
+        fn foo() {
+          x |> { f == y }
+        }
+        "#
+    );
+}
+
 #[test]
 fn format_validator() {
     assert_format!(

crates/aiken-lang/src/tests/snapshots/format_grouped_expression.snap

@@ -0,0 +1,8 @@
+---
+source: crates/aiken-lang/src/tests/format.rs
+description: "Code:\n\nfn foo() {\n   y == { x |> f }\n}\n"
+---
+fn foo() {
+  y == ( x |> f )
+}
+

crates/aiken-lang/src/tests/snapshots/format_grouped_expression_2.snap

@@ -0,0 +1,8 @@
+---
+source: crates/aiken-lang/src/tests/format.rs
+description: "Code:\n\nfn foo() {\n   ( y == x ) |> f\n}\n"
+---
+fn foo() {
+  ( y == x ) |> f
+}
+

crates/aiken-lang/src/tests/snapshots/format_grouped_expression_3.snap

@@ -0,0 +1,8 @@
+---
+source: crates/aiken-lang/src/tests/format.rs
+description: "Code:\n\nfn foo() {\n  { x |> f } == y\n}\n"
+---
+fn foo() {
+  ( x |> f ) == y
+}
+

crates/aiken-lang/src/tests/snapshots/format_grouped_expression_4.snap

@@ -0,0 +1,8 @@
+---
+source: crates/aiken-lang/src/tests/format.rs
+description: "Code:\n\nfn foo() {\n  x |> { f == y }\n}\n"
+---
+fn foo() {
+  x |> f == y
+}
+