module main import benchmark import sim import sim.args as simargs import sim.img fn main() { args := simargs.parse_args(sequential: true)? as simargs.SequentialArgs mut bmark := benchmark.start() defer { bmark.measure(@FN) } mut writer := img.ppm_writer_for_fname(args.filename, img.image_settings_from_grid(args.grid))? defer { writer.close() } handle_request := fn [mut writer] (request &sim.SimRequest) ? { result := sim.compute_result(request) pixel := img.compute_pixel(result) return writer.handle_pixel(pixel) } sim.run(args.params, grid: args.grid, on_request: sim.SimRequestHandler(handle_request)) writer.write()? }