fix doc test

crates/fayalite/src/cli.rs

@@ -39,26 +39,28 @@ enum CliCommand {
 /// # use fayalite::{hdl_module};
 /// # #[hdl_module]
 /// # fn my_module() {}
+/// use clap::{Subcommand, Parser};
 ///
-/// #[derive(clap::Subcommand)]
-/// pub enum Subcommand {
+/// #[derive(Subcommand)]
+/// pub enum Cmd {
 ///     #[command(flatten)]
 ///     Fayalite(fayalite::cli::Cli),
 ///     MySpecialCommand {
-///         #[arg]
+///         #[arg(long)]
 ///         foo: bool,
 ///     },
 /// }
 ///
-/// #[derive(clap::Parser)]
+/// #[derive(Parser)]
 /// pub struct Cli {
 ///     #[command(subcommand)]
-///     subcommand: Subcommand, // or just use fayalite::cli::Cli directly
+///     cmd: Cmd, // or just use fayalite::cli::Cli directly
 /// }
+///
 /// fn main() {
-///     match Cli::parse().subcommand {
-///         Subcommand::Fayalite(v) => v.run(my_module()),
-///         Subcommand::MySpecialCommand { foo } => println!("special: foo={foo}"),
+///     match Cli::parse().cmd {
+///         Cmd::Fayalite(v) => v.run(my_module()),
+///         Cmd::MySpecialCommand { foo } => println!("special: foo={foo}"),
 ///     }
 /// }
 /// ```