013 array of structs

// TEST: Array of inline struct literals
//
// Combines array literal and struct literal syntax for maximum ergonomics.
// Common pattern: passing a list of config objects to an event.
//
// Expected: Compiles and runs, array of structs passed correctly

const std = @import("std");

pub const Point = struct {
    x: i32,
    y: i32,
};

~event sumPoints { points: []const Point }
| result { total_x: i32, total_y: i32 }

~proc sumPoints {
    var tx: i32 = 0;
    var ty: i32 = 0;
    for (points) |p| {
        tx += p.x;
        ty += p.y;
    }
    return .{ .result = .{ .total_x = tx, .total_y = ty } };
}

~event check { expected_x: i32, expected_y: i32, actual_x: i32, actual_y: i32 }

~proc check {
    if (expected_x != actual_x or expected_y != actual_y) {
        std.debug.print("FAIL: expected ({}, {}), got ({}, {})\n", .{ expected_x, expected_y, actual_x, actual_y });
        std.process.exit(1);
    }
    std.debug.print("PASS: ({}, {}) == ({}, {})\n", .{ expected_x, expected_y, actual_x, actual_y });
}

// Array of struct literals - the full Koru ergonomics
~sumPoints(points: [{ x: 1, y: 2 }, { x: 3, y: 4 }, { x: 5, y: 6 }])
| result r |> check(expected_x: 9, expected_y: 12, actual_x: r.total_x, actual_y: r.total_y)