021 auto discharge multiple resources

✓ Passing This code compiles and runs correctly.

Code

import app/fs
app/fs:open(path: "first.txt"): _ |> app/fs:open(path: "second.txt"): f2 |> app/fs:close(file: f2)

input.k

Actual

Opening: first.txt
Opening: second.txt
Closing file
Closing file

Expected output

Opening: first.txt
Opening: second.txt
Closing file
Closing file

Flows

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

open (path: "first.txt")

Imported Files

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

~pub event open { path: []const u8 } -> *File<opened!>

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

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

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

fs.kz

Test Configuration

MUST_RUN

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