disable assert that was blocking issue #844

crates/aiken-lang/src/gen_uplc/builder.rs

@@ -1499,8 +1499,8 @@ pub fn list_access_to_uplc(
     error_term: Term<Name>,
 ) -> Term<Name> {
     let names_len = names_types_ids.len();
-    // Should never be expect level none on a list without a tail
-    assert!(!(matches!(expect_level, ExpectLevel::None) && is_list_accessor && !tail_present));
+
+    // assert!(!(matches!(expect_level, ExpectLevel::None) && is_list_accessor && !tail_present));
 
     let mut no_tailing_discards = names_types_ids
         .iter()
@@ -1524,11 +1524,11 @@ pub fn list_access_to_uplc(
     if no_tailing_discards.is_empty() {
         if tail_present || matches!(expect_level, ExpectLevel::None) {
             return term.lambda("_");
-        } else {
-            return Term::var("empty_list")
-                .delayed_choose_list(term, error_term)
-                .lambda("empty_list");
         }
+
+        return Term::var("empty_list")
+            .delayed_choose_list(term, error_term)
+            .lambda("empty_list");
     }
 
     // reverse back to original order

examples/acceptance_tests/095/aiken.lock

@@ -0,0 +1,7 @@
+# This file was generated by Aiken
+# You typically do not need to edit this file
+
+requirements = []
+packages = []
+
+[etags]

examples/acceptance_tests/095/aiken.toml

@@ -0,0 +1,3 @@
+name = "aiken-lang/acceptance_test_095"
+version = "0.0.0"
+description = ""

examples/acceptance_tests/095/lib/foo.ak

@@ -0,0 +1,26 @@
+fn sum_relative_collateral_values(
+  in_values: List<((ByteArray, ByteArray), Int)>,
+  out_values: List<((ByteArray, ByteArray), Int)>,
+  _collateral_is_swappable: Bool,
+  acc: (Int, Int),
+) -> (Int, Int) {
+  when (in_values, out_values) is {
+    ([(_inAsset, _inVal), ..], [(_outAsset, _outVal), ..]) -> acc
+
+    ([(_, _inVal), ..], []) -> acc
+
+    ([], [(_, _outVal), ..]) -> acc
+
+    ([], []) -> acc
+  }
+  // This was the only thing changed.
+}
+
+test thing() {
+  (0, 0) == sum_relative_collateral_values(
+    [(("", ""), 0)],
+    [(("", ""), 0)],
+    False,
+    (0, 0),
+  )
+}