Test closure definition with parens around

crates/compiler/test_gen/src/gen_definitions.rs

@@ -0,0 +1,47 @@
+#[cfg(feature = "gen-llvm")]
+use crate::helpers::llvm::assert_evals_to;
+
+#[cfg(feature = "gen-dev")]
+use crate::helpers::dev::assert_evals_to;
+
+#[cfg(feature = "gen-wasm")]
+use crate::helpers::wasm::assert_evals_to;
+
+// use crate::helpers::with_larger_debug_stack;
+//use crate::assert_wasm_evals_to as assert_evals_to;
+#[allow(unused_imports)]
+use indoc::indoc;
+#[allow(unused_imports)]
+use roc_std::{RocList, RocResult, RocStr};
+
+#[test]
+#[cfg(any(feature = "gen-llvm", feature = "gen-dev", feature = "gen-wasm"))]
+fn def_closure_in_parens() {
+    assert_evals_to!(
+        indoc!(
+            r#"
+            id = (\x -> x)
+
+            id 42u32
+            "#
+        ),
+        42,
+        u32
+    );
+}
+
+#[test]
+#[cfg(any(feature = "gen-llvm", feature = "gen-dev", feature = "gen-wasm"))]
+fn def_closure_in_multiple_parens() {
+    assert_evals_to!(
+        indoc!(
+            r#"
+            id = (((\x -> x)))
+
+            id 42u32
+            "#
+        ),
+        42,
+        u32
+    );
+}

crates/compiler/test_gen/src/tests.rs

@@ -6,6 +6,7 @@
 
 pub mod gen_abilities;
 pub mod gen_compare;
+pub mod gen_definitions;
 pub mod gen_dict;
 pub mod gen_list;
 pub mod gen_num;