Move WriteNotifier type into input module

It's a generic impl of `input::Notify` for `Write` types; as such, it
seems completely reasonable to include in the input module. Moving it
also serves to declutter main.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/input.rs b/src/input.rs
index 6d4d3ab9..ffa19fa8 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -23,6 +23,8 @@
 //! APIs
 //!
 //! TODO handling xmodmap would be good
+use std::io::Write;
+
 use glutin::{ElementState, VirtualKeyCode};
 
 use term::mode::{self, TermMode};
@@ -108,6 +110,15 @@ pub trait Notify {
     fn notify(&mut self, &str);
 }
 
+/// A notifier type that simply writes bytes to the provided `Write` type
+pub struct WriteNotifier<'a, W: Write + 'a>(pub &'a mut W);
+
+impl<'a, W: Write> Notify for WriteNotifier<'a, W> {
+    fn notify(&mut self, message: &str) {
+        self.0.write(message.as_bytes()).unwrap();
+    }
+}
+
 /// Describes a key combination that should emit a control sequence
 ///
 /// The actual triggering key is omitted here since bindings are grouped by the trigger key.