015 scope for loop outer

✓ Passing This code compiles and runs correctly.

Code

import std/control
import app/fs
app/fs:open(path: "outer.txt"): outer_f |> for(0..3)
    ! each _ |> _  // outer_f is suspended here (@scope), disposed in done
    | done |> _

input.k

Actual

Opening file: outer.txt
Closing file

Expected output

Opening file: outer.txt
Closing file

Flows

flow ~open click a branch to expand · @labels scroll to their anchor

open (path: "outer.txt")

Imported Files

// Library module: fs
// Single disposal event

const std = @import("std");

const File = struct { handle: i32 };

// Open a file - returns opened! state (requires cleanup)
~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;
}

// Close - the ONLY consumer of <!opened>
~pub tor close { file: *File<!opened> }

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

fs.kz

Test Configuration

MUST_RUN

← 014 scope for loop inner 016 scope nested →