V recursive struct demo app

main.v

module main

struct Directory {
	name  string
	subs  []Directory
	files []string
}

// Prints the directory structure recursively
fn print_directory(dir Directory, level int) {
	println("${' '.repeat(level)}$dir.name/")

	for file in dir.files {
		println("${' '.repeat(level + 1)}$file")
	}

	for subdir in dir.subs {
		print_directory(subdir, level + 1)
	}
}

// Creates a directory structure
fn main() {
	root := Directory{
		name: "",
		subs: [
			Directory{
				name: "home",
				files: ["todo.txt", "notes.txt", "about.md"],
			},
			Directory{
				name: "var",
				files: ["log.txt", "error.log", "debug.log"],
				subs: [
					Directory{
						name: "www",
						files: ["index.html", "about.html"],
					},
					Directory{
						name: "lib",
						files: ["lib1.so", "lib2.so"],
					},
				],
			},
		],
	}

	// Prints the directory structure
	print_directory(root, 0)
}