multiple resources cleanup

✓ Passing This code compiles and runs correctly.

Code

import app/fs
app/fs:open-two(path1: "test1.txt", path2: "test2.txt"): f |> app/fs:close(file: f.file1) |> app/fs:close(file: f.file2)  // Close both files

input.k

Flows

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

open-two (path1: "test1.txt", path2: "test2.txt")

Imported Files

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

~pub tor open-two { path1: string, path2: string } -> { file1: *File<opened!>, file2: *File<opened!> }  // TWO obligations!

~proc open-two|zig {
    std.debug.print("Opening two files: {s}, {s}\n", .{path1, path2});
    const allocator = std.heap.page_allocator;
    const f1 = allocator.create(File) catch unreachable;
    const f2 = allocator.create(File) catch unreachable;
    f1.* = File{ .handle = 42 };
    f2.* = File{ .handle = 43 };
    return .{ .file1 = f1, .file2 = f2 };
}

~pub tor close { file: *File<!opened> }  // Consumes one obligation

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

fs.kz

← multiple cleanup paths multiple resources partial cleanup →