fix new rust warnings

Author: extrawurst

filetreelist/src/filetree.rs

@@ -2,7 +2,7 @@ use crate::{
 	error::Result, filetreeitems::FileTreeItems,
 	tree_iter::TreeIterator, TreeItemInfo,
 };
-use std::{collections::BTreeSet, path::Path, usize};
+use std::{collections::BTreeSet, path::Path};
 
 ///
 #[derive(Copy, Clone, Debug)]

filetreelist/src/filetreeitems.rs

@@ -7,7 +7,6 @@ use crate::{error::Result, treeitems_iter::TreeItemsIterator};
 use std::{
 	collections::{BTreeSet, HashMap},
 	path::{Path, PathBuf},
-	usize,
 };
 
 ///

src/ui/reflow.rs

@@ -27,8 +27,8 @@ impl<'a, 'b> WordWrapper<'a, 'b> {
 		symbols: &'b mut dyn Iterator<Item = StyledGrapheme<'a>>,
 		max_line_width: u16,
 		trim: bool,
-	) -> WordWrapper<'a, 'b> {
-		WordWrapper {
+	) -> Self {
+		Self {
 			symbols,
 			max_line_width,
 			current_line: vec![],
@@ -152,8 +152,8 @@ impl<'a, 'b> LineTruncator<'a, 'b> {
 	pub fn new(
 		symbols: &'b mut dyn Iterator<Item = StyledGrapheme<'a>>,
 		max_line_width: u16,
-	) -> LineTruncator<'a, 'b> {
-		LineTruncator {
+	) -> Self {
+		Self {
 			symbols,
 			max_line_width,
 			horizontal_offset: 0,