Fix examples in README based on lib.rs (#496)

The first two README examples became rotten and were out of sync with
the doctested version from the `lib.rs`

README.md

@@ -37,22 +37,22 @@ For the full documentation visit <https://docs.rs/reedline>. The examples should
 // Create a default reedline object to handle user input
 
 use reedline::{DefaultPrompt, Reedline, Signal};
-use std::io;
 
-fn main() -> io::Result<()> {
+let mut line_editor = Reedline::create();
-    let mut line_editor = Reedline::create()?;
+let prompt = DefaultPrompt::default();
-    let prompt = DefaultPrompt::default();
 
-    loop {
+loop {
-        let sig = line_editor.read_line(&prompt)?;
+    let sig = line_editor.read_line(&prompt);
-        match sig {
+    match sig {
-            Signal::Success(buffer) => {
+        Ok(Signal::Success(buffer)) => {
-                println!("We processed: {}", buffer);
+            println!("We processed: {}", buffer);
-            }
+        }
-            Signal::CtrlD | Signal::CtrlC => {
+        Ok(Signal::CtrlD) | Ok(Signal::CtrlC) => {
-                println!("\nAborted!");
+            println!("\nAborted!");
-                break Ok(());
+            break;
-            }
+        }
+        x => {
+            println!("Event: {:?}", x);
         }
     }
 }
@@ -64,22 +64,23 @@ fn main() -> io::Result<()> {
 // Configure reedline with custom keybindings
 
 //Cargo.toml
-//  [dependencies]
+//    [dependencies]
-//  crossterm = "*"
+//    crossterm = "*"
 
 use {
   crossterm::event::{KeyCode, KeyModifiers},
-  reedline::{default_emacs_keybindings, EditCommand, Reedline},
+  reedline::{default_emacs_keybindings, EditCommand, Reedline, Emacs, ReedlineEvent},
 };
 
 let mut keybindings = default_emacs_keybindings();
 keybindings.add_binding(
-  KeyModifiers::ALT,
+    KeyModifiers::ALT,
-  KeyCode::Char('m'),
+    KeyCode::Char('m'),
-  vec![EditCommand::BackspaceWord],
+    ReedlineEvent::Edit(vec![EditCommand::BackspaceWord]),
 );
+let edit_mode = Box::new(Emacs::new(keybindings));
 
-let mut line_editor = Reedline::create().with_keybindings(keybindings);
+let mut line_editor = Reedline::create().with_edit_mode(edit_mode);
 ```
 
 ### Integrate with `History`

src/lib.rs

@@ -15,24 +15,24 @@
 //!
 //! use reedline::{DefaultPrompt, Reedline, Signal};
 //!
-//!  let mut line_editor = Reedline::create();
+//! let mut line_editor = Reedline::create();
-//!  let prompt = DefaultPrompt::default();
+//! let prompt = DefaultPrompt::default();
 //!
-//!  loop {
+//! loop {
-//!      let sig = line_editor.read_line(&prompt);
+//!     let sig = line_editor.read_line(&prompt);
-//!      match sig {
+//!     match sig {
-//!          Ok(Signal::Success(buffer)) => {
+//!         Ok(Signal::Success(buffer)) => {
-//!              println!("We processed: {}", buffer);
+//!             println!("We processed: {}", buffer);
-//!          }
+//!         }
-//!          Ok(Signal::CtrlD) | Ok(Signal::CtrlC) => {
+//!         Ok(Signal::CtrlD) | Ok(Signal::CtrlC) => {
-//!              println!("\nAborted!");
+//!             println!("\nAborted!");
-//!              break;
+//!             break;
-//!          }
+//!         }
-//!          x => {
+//!         x => {
-//!              println!("Event: {:?}", x);
+//!             println!("Event: {:?}", x);
-//!          }
+//!         }
-//!      }
+//!     }
-//!  }
+//! }
 //! ```
 //! ## Integrate with custom keybindings
 //!