019 auto discharge branch constructor

✗ Failing This test is currently failing.

Failed: backend-exec

Error Details

output_emitted.zig:47:3: error: unreachable code

Failure Output

🎯 Compiler coordination: Passes: 20 (flow-based: elaborate, analysis, emission)
Error: output_emitted.zig:47:3: error: unreachable code
_ = &result_0;
~~^~~~~~~~~~~
output_emitted.zig:46:1: note: control flow is diverted here
return "file exists";
^~~~~~~~~~~~~~~~~~~~
output_emitted.zig:47:6: error: use of undeclared identifier 'result_0'
_ = &result_0;
     ^~~~~~~~

Code

~import app/fs
~tor check-file { path: string } -> string
~check-file = app/fs:open(path)
| opened _ -> "file exists"  // obligation should be auto-discharged before returning!
~check-file(path: "test.txt")

input.kz

Expected output

Opening file: test.txt
Closing file (auto-discharged)

Flows

subflow ~check-file click a branch to expand · @labels scroll to their anchor

open (path)

flow ~check-file click a branch to expand · @labels scroll to their anchor

check-file (path: "test.txt")

Imported Files

const std = @import("std");
const File = struct { handle: i32 };

~pub tor open { path: string } -> *File<opened!>

~proc open|zig {
    std.debug.print("Opening file: {s}\n", .{path});
    const f = std.heap.page_allocator.create(File) catch unreachable;
    f.* = File{ .handle = 42 };
    return f;
}

~pub tor close { file: *File<!opened> }

~proc close|zig {
    std.debug.print("Closing file (auto-discharged)\n", .{});
}

fs.kz

Test Configuration

MUST_RUN

← 018 auto discharge escaped obligation 020 auto discharge void event →