serveErrorBundle

pub fn serveErrorBundle(s: *Server, error_bundle: std.zig.ErrorBundle) !void {
    const eb_hdr: OutMessage.ErrorBundle = .{
        .extra_len = @intCast(error_bundle.extra.len),
        .string_bytes_len = @intCast(error_bundle.string_bytes.len),
    };
    const bytes_len = @sizeOf(OutMessage.ErrorBundle) +
        4 * error_bundle.extra.len + error_bundle.string_bytes.len;
    try s.serveMessageHeader(.{
        .tag = .error_bundle,
        .bytes_len = @intCast(bytes_len),
    });
    try s.out.writeStruct(eb_hdr, .little);
    try s.out.writeSliceEndian(u32, error_bundle.extra, .little);
    try s.out.writeAll(error_bundle.string_bytes);
    try s.out.flush();
}