[lint] fix several warnings

src/curses.rs

@@ -29,7 +29,7 @@ impl Curses {
             use_color: false,
         }
     }
-    pub fn init(&mut self, theme: Option<&ColorTheme>, is_black: bool, use_mouse: bool) {
+    pub fn init(&mut self, theme: Option<&ColorTheme>, is_black: bool, _use_mouse: bool) {
         // initialize ncurses
         let local_conf = LcCategory::all;
         setlocale(local_conf, "en_US.UTF-8"); // for showing wide characters
@@ -53,13 +53,13 @@ impl Curses {
     }
 
     fn init_pairs(&mut self, base: &ColorTheme, theme: &ColorTheme, is_black: bool) {
-        let mut fg = shadow(base.fg, theme.fg);
+        //let mut fg = shadow(base.fg, theme.fg);
         let mut bg = shadow(base.bg, theme.bg);
 
         if is_black {
             bg = COLOR_BLACK;
         } else if theme.use_default {
-            fg = COLOR_DEFAULT;
+            //fg = COLOR_DEFAULT;
             bg = COLOR_DEFAULT;
             use_default_colors();
         }

src/input.rs

@@ -13,8 +13,6 @@ use std::time::Duration;
 use util::eventbox::EventBox;
 use event::{Event, parse_action};
 
-use ncurses::*;
-
 pub struct Input {
     eb: Arc<EventBox<Event>>,
     keyboard: KeyBoard,
@@ -91,7 +89,7 @@ impl KeyBoard {
         let (tx, rx) = channel();
         thread::spawn(move || {
             for ch in f.chars() {
-                tx.send(ch.unwrap());
+                let _ = tx.send(ch.unwrap());
             }
         });
 

src/item.rs

@@ -1,7 +1,6 @@
 // An item is line of text that read from `find` command or stdin together with
 // the internal states, such as selected or not
 
-use std;
 use std::cmp::Ordering;
 
 pub struct Item {

src/main.rs

@@ -54,7 +54,7 @@ fn main() {
         return
     }
 
-    let theme = curses::ColorTheme::new();
+    let theme = ColorTheme::new();
     let mut curse = Curses::new();
     curse.init(Some(&theme), false, false);
 

src/matcher.rs

@@ -137,7 +137,7 @@ fn match_item(index: usize, item: &str, query: &str) -> Option<MatchedItem> {
 
 
 struct MatcherCache {
-    matched_items: OrderedVec<MatchedItem>,
+    pub matched_items: OrderedVec<MatchedItem>,
     pub item_pos: usize,
 }
 
@@ -148,8 +148,4 @@ impl MatcherCache {
             matched_items: OrderedVec::new(),
         }
     }
-
-    pub fn push(&mut self, matched_item: MatchedItem) {
-        self.matched_items.push(matched_item);
-    }
 }

src/model.rs

@@ -10,7 +10,6 @@ use std::cell::RefCell;
 use std::collections::HashSet;
 use orderedvec::OrderedVec;
 use curses::*;
-use input::Key;
 use query::Query;
 use util::eventbox::EventBox;
 use event::Event;
@@ -157,7 +156,7 @@ impl Model {
             mv(y, 0);
             let is_current_line = y == self.line_cursor as i32;
 
-            let mut label = if is_current_line {">"} else {" "};
+            let label = if is_current_line {">"} else {" "};
 
             self.curses.cprint(COLOR_CURSOR, true, label);
 

src/query.rs

@@ -97,7 +97,7 @@ impl Query {
     pub fn delete_char(&mut self) -> bool {
         if self.index == self.query.len() { return false; }
 
-        let ch = self.query.remove(self.index);
+        let _ = self.query.remove(self.index);
         return true;
     }
 

src/reader.rs

@@ -6,7 +6,6 @@ extern crate libc;
 use std::process::{Command, Stdio};
 use std::sync::{Arc, RwLock};
 use std::io::{stdin, BufRead, BufReader};
-use std::sync::mpsc::Sender;
 use std::error::Error;
 use util::eventbox::EventBox;
 use event::Event;