131 nominal int mismatch

✓ Passing This code compiles and runs correctly.

Code

// TEST: MUST_FAIL - Nominal int types are distinct
//
// UserId and ProductId are both ints, but Koru should reject
// passing one where the other is expected.
//
// Expected: Compilation error - type mismatch

~import "$std/types"

~int(UserId)
~int(ProductId)

~event get_user { id: UserId }
| found { name: []const u8 }

~proc get_user {
    return .{ .found = .{ .name = "Alice" } };
}

~event main {}
| done {}

~proc main {
    // ERROR: Passing ProductId where UserId is expected
    const pid: ProductId = 42;
    ~get_user(id: pid)
    | found |> done {}
}

~main()
| done |> _

input.kz

Error Verification

Expected Error Pattern

MUST_FAIL

Actual Compiler Output

🎯 Compiler coordination: Passes: 13 (flow-based: frontend, analysis, emission)
Error: output_emitted.zig:26:24: error: use of undeclared identifier '__inline_flow_1'
                return __inline_flow_1(.{  });
                       ^~~~~~~~~~~~~~~

Test Configuration

MUST_FAIL

Expected Behavior:

CONTAINS type mismatch

← 130 nominal string mismatch 132 generic type mismatch →