fix warnings

src/core/observer.rs

@@ -1,7 +1,6 @@
 use {
     crate::core::View,
     std::{
-        ops::{Deref, DerefMut},
         sync::{Arc, Weak, RwLock}
     }
 };
@@ -12,7 +11,7 @@ use {
 <<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
                     \*/
 pub trait Observer<V: View + ?Sized> : Send + Sync {
-    fn reset(&mut self, view: Option<Arc<V>>) {}
+    fn reset(&mut self, _view: Option<Arc<V>>) {}
     fn notify(&self, msg: &V::Msg);
 }
 
@@ -138,7 +137,7 @@ where V: View + ?Sized,
 impl<V, F> Observer<V> for ResetFnObserver<V, F>
 where V: View + ?Sized,
       F: Fn(Option<Arc<V>>) + Send + Sync {
-    fn notify(&self, msg: &V::Msg) {}
+    fn notify(&self, _msg: &V::Msg) {}
     fn reset(&mut self, view: Option<Arc<V>>) {
         (self.f)(view);
     }

src/core/port.rs

@@ -5,12 +5,7 @@ use {
         Observer,
         ObserverBroadcast,
         NotifyFnObserver,
-        ResetFnObserver,
-        channel::{
-            ChannelData,
-            ChannelSender,
-            ChannelReceiver
-        }
+        ResetFnObserver
     }
 };
 

src/grid/mod.rs

@@ -1,12 +1,10 @@
 use {
     std::{
-        sync::{Arc, RwLock},
-        ops::{Deref, Range}
+        ops::{Range}
     },
-    cgmath::{Point2, Vector2},
+    cgmath::{Point2},
     crate::{
-        core::View,
-        index::{IndexView, ImplIndexView}
+        index::{IndexView}
     }
 };
 

src/grid/offset.rs

@@ -1,7 +1,6 @@
 use {
     std::{
-        sync::{Arc, RwLock},
-        boxed::Box
+        sync::{Arc, RwLock}
     },
     cgmath::{Point2, Vector2},
     crate::{
@@ -13,7 +12,7 @@ use {
             InnerViewPort
         },
         index::{IndexView},
-        grid::{GridView, GridWindowIterator}
+        grid::{GridView}
     }
 };
 

src/main.rs

@@ -12,8 +12,7 @@ pub mod string_editor;
 use {
     async_std::{task},
     std::{
-        sync::{Arc, RwLock},
-        ops::Range
+        sync::{Arc, RwLock}
     },
     cgmath::{Vector2, Point2},
     termion::event::{Event, Key},

src/sequence/seq2idx.rs

@@ -1,7 +1,6 @@
 use {
     std::{
-        sync::{Arc, RwLock},
-        boxed::Box
+        sync::{Arc, RwLock}
     },
     crate::{
         core::{

src/sequence/vec_buffer.rs

@@ -68,12 +68,12 @@ where T: Clone + Send + Sync + 'static {
                 self.cast.notify(&idx);
                 *self.cur_len.write().unwrap() -= 1;
             },
-            VecDiff::Insert{ idx, val } => {
+            VecDiff::Insert{ idx, val: _ } => {
                 let mut l = self.cur_len.write().unwrap();
                 *l += 1;
-                //self.cast.notify_each(idx .. &*l);
+                self.cast.notify_each(*idx .. *l);
             },
-            VecDiff::Update{ idx, val } => {
+            VecDiff::Update{ idx, val: _ } => {
                 self.cast.notify(&idx);
             }
         }

src/string_editor.rs

@@ -1,23 +1,17 @@
 
 use {
     std::{
-        boxed::Box,
         sync::{Arc, RwLock},
     },
     cgmath::Point2,
     crate::{
         core::{
-            View,
-            Observer,
             ObserverExt,
             ObserverBroadcast,
-            ViewPort,
-            InnerViewPort,
-            OuterViewPort
+            InnerViewPort
         },
-        sequence::SequenceView,
         index::{ImplIndexView},
-        grid::{GridView, GridWindowIterator},
+        grid::{GridWindowIterator},
         terminal::{TerminalAtom, TerminalStyle, TerminalView},
         //vec_buffer::VecBuffer
     }
@@ -124,11 +118,12 @@ impl StringEditor {
 
     pub fn insert(&mut self, c: char) {
         self.cast.notify_each({
-            let mut state = self.state.write().unwrap();
+            let state = self.state.write().unwrap();
             let mut data = state.data.write().unwrap();
 
             data.insert(state.cursor, c);
-            (state.cursor .. data.len()+2)
+
+            state.cursor .. data.len()+2
         }.map(|idx| Point2::new(1+idx as i16, 0)));
 
         self.next();
@@ -136,13 +131,14 @@ impl StringEditor {
 
     pub fn delete(&mut self) {
         self.cast.notify_each({
-            let mut state = self.state.write().unwrap();
+            let state = self.state.write().unwrap();
             let mut data = state.data.write().unwrap();
 
             if state.cursor < data.len() {
                 data.remove(state.cursor);
             }
-            (state.cursor .. data.len()+3)
+
+            state.cursor .. data.len()+3
         }.map(|idx| Point2::new(1+idx as i16, 0)));
     }
 }

src/terminal/compositor.rs

@@ -1,15 +1,12 @@
 use {
     std::{
         sync::{Arc, Weak, RwLock},
-        collections::HashMap,
-        boxed::Box,
-        cmp::{min, max}
+        collections::HashMap
     },
     cgmath::Point2,
     crate::{
-        core::{View, ViewPort, InnerViewPort, OuterViewPort, Observer, ObserverExt, ObserverBroadcast},
+        core::{InnerViewPort, OuterViewPort, Observer, ObserverExt, ObserverBroadcast},
         index::{ImplIndexView},
-        grid::{GridWindowIterator},
         terminal::{TerminalAtom, TerminalView}
     }
 };
@@ -24,7 +21,7 @@ impl Observer<dyn TerminalView> for CompositeLayer {
         let comp = self.comp.upgrade().unwrap();
         let mut c = comp.write().unwrap();
 
-        let mut v = &mut c.layers.get_mut(&self.idx).unwrap().1;
+        let v = &mut c.layers.get_mut(&self.idx).unwrap().1;
         let old_view = v.clone();
         *v = view.clone();
         drop(v);
@@ -64,11 +61,11 @@ impl TerminalCompositeView {
     fn update_range(&mut self) {
         self.area = Some(Vec::new());
 
-        for (idx, layer) in self.layers.iter() {
+        for (_, layer) in self.layers.iter() {
             if let Some(view) = layer.1.as_ref() {
                 if let (
                     Some(mut new_area),
-                    Some(mut area)
+                    Some(area)
                 ) = (
                     view.area(),
                     self.area.as_mut()
@@ -120,8 +117,7 @@ impl ImplIndexView for TerminalCompositeView {
 }
 
 pub struct TerminalCompositor {
-    view: Arc<RwLock<TerminalCompositeView>>,
-    port: InnerViewPort<dyn TerminalView>
+    view: Arc<RwLock<TerminalCompositeView>>
 }
 
 impl TerminalCompositor {
@@ -138,7 +134,7 @@ impl TerminalCompositor {
         ));
 
         port.set_view(Some(view.clone()));
-        TerminalCompositor{ view, port }
+        TerminalCompositor{ view }
     }
 
     pub fn push(&mut self, v: OuterViewPort<dyn TerminalView>) {        

src/terminal/mod.rs

@@ -13,9 +13,7 @@ pub use {
 use {
     crate::{
         grid::GridView
-    },
-    cgmath::Point2,
-    std::ops::Range
+    }
 };
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>

src/terminal/terminal.rs

@@ -26,8 +26,7 @@ use {
                 set_channel
             }
         },
-        index::IndexView,
-        grid::{GridView, GridWindowIterator}
+        grid::{GridWindowIterator}
     },
     super::{
         TerminalStyle,