Fix the README

Summary: Its useful if the README is correct.

Reviewed By: lmvasquezg

Differential Revision: D46436301

fbshipit-source-id: 55a0f58423444a6047347daa783e587c07fdfc16

README.md

@@ -18,31 +18,26 @@ Finally, superconsole delineates between rendering logic and program state - eac
 
 ```rust
 use std::convert::TryInto;
-use superconsole::{
-    components::bordering::{Bordered, BorderedSpec},
-    Component, Dimensions, DrawMode, Line, State, SuperConsole,
-};
+use superconsole::components::bordering::{Bordered, BorderedSpec};
+use superconsole::{Component, Dimensions, DrawMode, Lines, SuperConsole};
 
 #[derive(Debug)]
 struct HelloWorld;
 
 impl Component for HelloWorld {
-    fn draw_unchecked(
-        &self,
-        _dimensions: Dimensions,
-        _mode: DrawMode,
-    ) -> anyhow::Result<Vec<Line>> {
-        Ok(vec![vec!["hello world"].try_into()?])
+    fn draw_unchecked(&self, _dimensions: Dimensions, _mode: DrawMode) -> anyhow::Result<Lines> {
+        Ok(Lines(vec![
+            vec!["Hello world!".to_owned()].try_into().unwrap(),
+        ]))
     }
 }
 
 pub fn main() -> anyhow::Result<()> {
     let bordering = BorderedSpec::default();
-    let mut superconsole =
-        SuperConsole::new(Box::new(Bordered::new(Box::new(HelloWorld), bordering)))
-            .ok_or_else(|| anyhow::anyhow!("Not a TTY"))?;
-    superconsole.render(&state![])?;
-    superconsole.finalize(&state![])?;
+    let mut superconsole = SuperConsole::new().ok_or_else(|| anyhow::anyhow!("Not a TTY"))?;
+    let component = Bordered::new(HelloWorld, bordering);
+    superconsole.render(&component)?;
+    superconsole.finalize(&component)?;
     Ok(())
 }
 ```

examples/readme.rs

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under both the MIT license found in the
+ * LICENSE-MIT file in the root directory of this source tree and the Apache
+ * License, Version 2.0 found in the LICENSE-APACHE file in the root directory
+ * of this source tree.
+ */
+
+// If this code needs fixing, make sure you fix the README.md too!
+
+use std::convert::TryInto;
+
+use superconsole::components::bordering::Bordered;
+use superconsole::components::bordering::BorderedSpec;
+use superconsole::Component;
+use superconsole::Dimensions;
+use superconsole::DrawMode;
+use superconsole::Lines;
+use superconsole::SuperConsole;
+
+#[derive(Debug)]
+struct HelloWorld;
+
+impl Component for HelloWorld {
+    fn draw_unchecked(&self, _dimensions: Dimensions, _mode: DrawMode) -> anyhow::Result<Lines> {
+        Ok(Lines(vec![
+            vec!["Hello world!".to_owned()].try_into().unwrap(),
+        ]))
+    }
+}
+
+pub fn main() -> anyhow::Result<()> {
+    let bordering = BorderedSpec::default();
+    let mut superconsole = SuperConsole::new().ok_or_else(|| anyhow::anyhow!("Not a TTY"))?;
+    let component = Bordered::new(HelloWorld, bordering);
+    superconsole.render(&component)?;
+    superconsole.finalize(&component)?;
+    Ok(())
+}