Add repeat functionality

src/command_handler.rs

@@ -25,7 +25,7 @@ fn reentrant_command_handler(
         match command.split_out_command() {
             None => (),
             Some((cmd, rest)) => {
-                if cmd.starts_with('#') {
+                if let ("#", command_rest) = cmd.split_at(1) {
                     if cmd == "##" {
                         match lua_state.execute(debrace(&join(rest.arguments.iter(), " "))) {
                             Ok(()) => (),
@@ -34,9 +34,17 @@ fn reentrant_command_handler(
                                     .unwrap_or(())
                             }
                         }
+                    } else if let Ok(repeat_count) = command_rest.parse::<u16>() {
+                        for _ in 0..repeat_count {
+                            reentrant_command_handler(
+                                lua_state,
+                                globals,
+                                term_frame,
+                                &join(rest.arguments.iter(), " "),
+                            );
+                        }
                     } else {
-                        let cmd = &cmd[1..];
+                        match lua_state.execute_command(command_rest, &rest.arguments) {
-                        match lua_state.execute_command(cmd, &rest.arguments) {
                             Ok(()) => (),
                             Err(msg) => {
                                 echo_to_term_frame(globals, term_frame, &format!("{}\r\n", msg))

src/lua_state.rs

@@ -58,8 +58,11 @@ impl LuaState {
             .try_enter(|ctx| {
                 let commands =
                     Table::from_value(ctx, ctx.get_global(ctx.intern_static(b"commands")))?;
-                let command_fn =
+                let command_value: Value = commands.get(ctx, ctx.intern(command.as_bytes()));
-                    Function::from_value(ctx, commands.get(ctx, ctx.intern(command.as_bytes())))?;
+                if command_value.is_nil() {
+                    Err(anyhow::Error::msg("Unknown command"))?;
+                }
+                let command_fn = Function::from_value(ctx, command_value)?;
                 ctx.fetch(&self.exec).restart(
                     ctx,
                     command_fn,