struct Path {}

struct Doc {
mut:
	content string
	path    Path
}

fn get_file(path string, create bool) !Path {
	return Path{}
}

fn main() {
	mut doc := Doc{
		content: 'this is a first line.'
		path:    get_file('config.md', true)
	}
	println('First println\n' + doc.content + '\n')
	doc.content += '\nthis is a second line.'
	println('Second println\n' + doc.content)
}