Base Clap setup

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = {version = "*", features = ["derive"]}

src/main.rs

@@ -1,3 +1,22 @@
-fn main() {
-    println!("Hello, world!");
+use clap::{Parser, Subcommand, CommandFactory, ErrorKind};
+
+
+#[derive(Parser)]
+struct Cli {
+    #[clap(subcommand)]
+    command: Option<Commands>
 }
+
+#[derive(Subcommand)]
+enum Commands {
+    Help
+}
+
+fn main() {
+    let cli = Cli::parse();
+
+    match &cli.command {
+        Some(Commands::Help) => Cli::command().error(ErrorKind::DisplayHelp, ""),
+        None => Cli::command().error(ErrorKind::DisplayHelp, "")
+    };
+}