1const std = @import("std");
 2
 3pub fn main() !void {
 4    // Prints to stderr (it's a shortcut based on `std.io.getStdErr()`)
 5    std.debug.print("All your {s} are belong to us.\n", .{"codebase"});
 6
 7    // stdout is for the actual output of your application, for example if you
 8    // are implementing gzip, then only the compressed bytes should be sent to
 9    // stdout, not any debugging messages.
10    const stdout_file = std.io.getStdOut().writer();
11    var bw = std.io.bufferedWriter(stdout_file);
12    const stdout = bw.writer();
13
14    try stdout.print("Run `zig build test` to run the tests.\n", .{});
15
16    try bw.flush(); // don't forget to flush!
17}
18
19test "simple test" {
20    var list = std.ArrayList(i32).init(std.testing.allocator);
21    defer list.deinit(); // try commenting this out and see if zig detects the memory leak!
22    try list.append(42);
23    try std.testing.expectEqual(@as(i32, 42), list.pop());
24}