fix: Format to repl.rs structure, remove readme

examples/repl-derive.rs

@@ -1,51 +1,62 @@
 use std::io::Write;
 
-use clap::{Args, Parser, Subcommand};
+use clap::{Parser, Subcommand};
 
-#[derive(Debug, Parser)]
-#[command(multicall = true)]
-struct Cli {
-    #[command(subcommand)]
-    command: Commands,
-}
+fn main() -> Result<(), String> {
+    loop {
+        let line = readline()?;
+        let line = line.trim();
+        if line.is_empty() {
+            continue;
+        }
 
-#[derive(Debug, Subcommand)]
-enum Commands {
-    Echo(EchoArgs),
-    Ping,
-    Exit,
-}
+        match respond(line) {
+            Ok(quit) => {
+                if quit {
+                    break;
+                }
+            }
+            Err(err) => {
+                write!(std::io::stdout(), "{err}").map_err(|e| e.to_string())?;
+                std::io::stdout().flush().map_err(|e| e.to_string())?;
+            }
+        }
+    }
 
-#[derive(Args, Debug)]
-pub struct EchoArgs {
-    #[arg(
-        short = 't',
-        long = "text",
-        visible_alias = "text",
-        help = "The text to be echoed",
-        help_heading = "Echo"
-    )]
-    text: String,
+    Ok(())
 }
 
 fn respond(line: &str) -> Result<bool, String> {
     let args = shlex::split(line).ok_or("error: Invalid quoting")?;
-    let cli = Cli::try_parse_from(args).map_err(|e| e.to_string())?;
+    let cli = Cli::try_parse_from(args)
+        .map_err(|e| e.to_string())?;
     match cli.command {
-        Commands::Echo(args) => {
-            println!("{}", args.text);
-        }
         Commands::Ping => {
-            println!("Pong");
+            write!(std::io::stdout(), "Pong").map_err(|e| e.to_string())?;
+            std::io::stdout().flush().map_err(|e| e.to_string())?;
         }
         Commands::Exit => {
-            println!("Exiting ...");
+            write!(std::io::stdout(), "Exiting ...").map_err(|e| e.to_string())?;
+            std::io::stdout().flush().map_err(|e| e.to_string())?;
             return Ok(true);
         }
     }
     Ok(false)
 }
 
+#[derive(Debug, Parser)]
+#[command(multicall = true)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Debug, Subcommand)]
+enum Commands {
+    Ping,
+    Exit,
+}
+
 fn readline() -> Result<String, String> {
     write!(std::io::stdout(), "$ ").map_err(|e| e.to_string())?;
     std::io::stdout().flush().map_err(|e| e.to_string())?;
@@ -55,25 +66,3 @@ fn readline() -> Result<String, String> {
         .map_err(|e| e.to_string())?;
     Ok(buffer)
 }
-
-fn main() -> Result<(), String> {
-    loop {
-        let line = readline()?;
-        let line = line.trim();
-        if line.is_empty() {
-            continue;
-        }
-        match respond(line) {
-            Ok(quit) => {
-                if quit {
-                    break;
-                }
-            }
-            Err(err) => {
-                write!(std::io::stdout(), "{err}").map_err(|e| e.to_string())?;
-                std::io::stdout().flush().map_err(|e| e.to_string())?;
-            }
-        }
-    }
-    Ok(())
-}

src/_cookbook/repl_derive.rs

@@ -2,6 +2,3 @@
 //!
 //! ```rust
 #![doc = include_str!("../../examples/repl-derive.rs")]
-//! ```
-//!
-#![doc = include_str!("../../examples/repl-derive.md")]