Merge pull request #764 from gwenn/clippy

Fix clippy warnings

src/history.rs

@@ -11,8 +11,6 @@ use std::collections::VecDeque;
 use std::fs::{File, OpenOptions};
 #[cfg(feature = "with-file-history")]
 use std::io::SeekFrom;
-#[cfg(feature = "with-file-history")]
-use std::iter::DoubleEndedIterator;
 use std::ops::Index;
 use std::path::Path;
 #[cfg(feature = "with-file-history")]

src/layout.rs

@@ -1,4 +1,4 @@
-use std::cmp::{Ord, Ordering, PartialOrd};
+use std::cmp::Ordering;
 
 #[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
 pub struct Position {

src/tty/test.rs

@@ -1,5 +1,4 @@
 //! Tests specific definitions
-use std::iter::IntoIterator;
 use std::slice::Iter;
 use std::vec::IntoIter;