Vendor dependencies

Let's see how I like this workflow.

vendor/crossterm/examples/event-match-modifiers.rs

@@ -0,0 +1,68 @@
+//! Demonstrates how to match on modifiers like: Control, alt, shift.
+//!
+//! cargo run --example event-match-modifiers
+
+use crossterm::event::{Event, KeyCode, KeyEvent, KeyModifiers};
+
+fn match_event(read_event: Event) {
+    match read_event {
+        // Match one one modifier:
+        Event::Key(KeyEvent {
+            modifiers: KeyModifiers::CONTROL,
+            code,
+            ..
+        }) => {
+            println!("Control + {:?}", code);
+        }
+        Event::Key(KeyEvent {
+            modifiers: KeyModifiers::SHIFT,
+            code,
+            ..
+        }) => {
+            println!("Shift + {:?}", code);
+        }
+        Event::Key(KeyEvent {
+            modifiers: KeyModifiers::ALT,
+            code,
+            ..
+        }) => {
+            println!("Alt + {:?}", code);
+        }
+
+        // Match on multiple modifiers:
+        Event::Key(KeyEvent {
+            code, modifiers, ..
+        }) => {
+            if modifiers == (KeyModifiers::ALT | KeyModifiers::SHIFT) {
+                println!("Alt + Shift {:?}", code);
+            } else {
+                println!("({:?}) with key: {:?}", modifiers, code)
+            }
+        }
+
+        _ => {}
+    }
+}
+
+fn main() {
+    match_event(Event::Key(KeyEvent::new(
+        KeyCode::Char('z'),
+        KeyModifiers::CONTROL,
+    )));
+    match_event(Event::Key(KeyEvent::new(
+        KeyCode::Left,
+        KeyModifiers::SHIFT,
+    )));
+    match_event(Event::Key(KeyEvent::new(
+        KeyCode::Delete,
+        KeyModifiers::ALT,
+    )));
+    match_event(Event::Key(KeyEvent::new(
+        KeyCode::Right,
+        KeyModifiers::ALT | KeyModifiers::SHIFT,
+    )));
+    match_event(Event::Key(KeyEvent::new(
+        KeyCode::Home,
+        KeyModifiers::ALT | KeyModifiers::CONTROL,
+    )));
+}