1.5.5 - fix warnings

Cargo.toml

 [package]
 name = "termion"
-version = "1.5.4"
+version = "1.5.5"
 authors = ["ticki <Ticki@users.noreply.github.com>", "gycos <alexandre.bury@gmail.com>", "IGI-111 <igi-111@protonmail.com>"]
 description = "A bindless library for manipulating terminals."
 repository = "https://gitlab.redox-os.org/redox-os/termion"

src/event.rs

@@ -119,8 +119,8 @@ pub fn parse_event<I>(item: u8, iter: &mut I) -> Result<Event, Error>
                 parse_csi(iter).ok_or(error)?
             }
                    Some(Ok(c)) => {
-                let ch = parse_utf8_char(c, iter);
-                Event::Key(Key::Alt(try!(ch)))
+                let ch = parse_utf8_char(c, iter)?;
+                Event::Key(Key::Alt(ch))
             }
                    Some(Err(_)) | None => return Err(error),
                })
@@ -133,8 +133,8 @@ pub fn parse_event<I>(item: u8, iter: &mut I) -> Result<Event, Error>
         b'\0' => Ok(Event::Key(Key::Null)),
         c => {
             Ok({
-                   let ch = parse_utf8_char(c, iter);
-                   Event::Key(Key::Char(try!(ch)))
+                   let ch = parse_utf8_char(c, iter)?;
+                   Event::Key(Key::Char(ch))
                })
         }
     }

src/input.rs

@@ -121,7 +121,7 @@ pub trait TermRead {
     /// EOT and ETX will abort the prompt, returning `None`. Newline or carriage return will
     /// complete the input.
     fn read_passwd<W: Write>(&mut self, writer: &mut W) -> io::Result<Option<String>> {
-        let _raw = try!(writer.into_raw_mode());
+        let _raw = writer.into_raw_mode()?;
         self.read_line()
     }
 }
@@ -152,8 +152,8 @@ impl<R: Read + TermReadEventsAndRaw> TermRead for R {
             }
         }
 
-        let string = try!(String::from_utf8(buf)
-            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e)));
+        let string = String::from_utf8(buf)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
         Ok(Some(string))
     }
 }

src/raw.rs

@@ -102,11 +102,13 @@ impl<W: Write> IntoRawMode for W {
 }
 
 impl<W: Write> RawTerminal<W> {
+    /// Temporarily switch to original mode
     pub fn suspend_raw_mode(&self) -> io::Result<()> {
         set_terminal_attr(&self.prev_ios)?;
         Ok(())
     }
 
+    /// Temporarily switch to raw mode
     pub fn activate_raw_mode(&self) -> io::Result<()> {
         let mut ios = get_terminal_attr()?;
         raw_terminal_attr(&mut ios);