015 capture under capture

✗ Failing This test is currently failing.

Failed: backend-exec

Error Details

transform pass failed (TransformPreambleAtNestedSite). The pipeline cannot continue with a partially-transformed AST.
Panic: transform pass failed — see error above

Failure Output

Showing last 10 of 66 lines

                                      ^
/Users/larsde/src/koru/tests/regression/670_NESTING_SWEEP/670_015_capture_under_capture/backend.zig:190:51: 0x104cc79ef in main (backend)
    const generated_code = try RuntimeEmitter.emit(compile_allocator, final_ast);
                                                  ^
/opt/homebrew/Cellar/zig/0.15.2_1/lib/zig/std/start.zig:627:37: 0x104ccd6ab in main (backend)
            const result = root.main() catch |err| {
                                    ^
???:?:?: 0x18da2fdff in ??? (???)
???:?:?: 0x0 in ??? (???)
/Users/larsde/src/koru/scripts/regression_lib.sh: line 256: 25204 Abort trap: 6           ./backend output

Code

// NESTING SWEEP — capture under POSITION 5: capture cell.
// The construct (an inner capture fold that increments a counter once) is
// nested under the `! as acc` body of an OUTER capture cell. The inner fold
// prints `n=1`; the outer cell's `| captured _` terminal is a no-op.
import std/io

capture { k: 0[i64] }
! as acc |> capture { n: 0[i64] }
    ! as inner |> captured { n: inner.n + 1 }
    | captured r |> std/io:print.ln("n={{ r.n:d }}")
| captured _ |> _

input.k

Expected output

n=1

Test Configuration

MUST_RUN

← 014 capture under for each 020 readlines under flow head →