Fix nightly clippy warnings

Author: bilelmoussaoui

cairo/src/region.rs

@@ -163,7 +163,7 @@ impl Region {
 
     #[doc(alias = "get_extents")]
     #[doc(alias = "cairo_region_get_extents")]
-    pub fn extents(&self, rectangle: &mut RectangleInt) {
+    pub fn extents(&self, rectangle: &RectangleInt) {
         unsafe { ffi::cairo_region_get_extents(self.0.as_ptr(), rectangle.to_raw_none()) }
     }
 

gio/src/file_descriptor_based.rs

@@ -6,7 +6,6 @@ use std::os::unix::io::{AsRawFd, FromRawFd, RawFd};
 use glib::{prelude::*, translate::*};
 #[cfg(all(not(unix), docsrs))]
 use socket::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
-use std::fmt;
 
 glib::wrapper! {
     #[doc(alias = "GFileDescriptorBased")]

gio/src/io_extension_point.rs

@@ -1,6 +1,6 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
-use std::{fmt, marker::PhantomData, ptr};
+use std::{marker::PhantomData, ptr};
 
 use glib::{translate::*, GString, IntoGStr, Type};
 

gio/src/socket_msg_flags.rs

@@ -1,7 +1,5 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
-use std::fmt;
-
 use glib::{bitflags, prelude::*, translate::*, value::FromValue, Type};
 
 bitflags::bitflags! {

gio/src/unix_mount_entry.rs

@@ -194,7 +194,7 @@ impl Eq for UnixMountEntry {}
 impl PartialOrd for UnixMountEntry {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<cmp::Ordering> {
-        self.compare(other).partial_cmp(&0)
+        Some(self.cmp(other))
     }
 }
 

glib/src/boxed.rs

@@ -550,7 +550,7 @@ impl<T: 'static, MM: BoxedMemoryManager<Target = T>> fmt::Debug for Boxed<T, MM>
 impl<T, MM: BoxedMemoryManager<Target = T>> PartialOrd for Boxed<T, MM> {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<cmp::Ordering> {
-        self.to_glib_none().0.partial_cmp(&other.to_glib_none().0)
+        Some(self.cmp(other))
     }
 }
 

glib/src/bytes.rs

@@ -147,13 +147,7 @@ impl Eq for Bytes {}
 impl PartialOrd for Bytes {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        unsafe {
-            let ret = ffi::g_bytes_compare(
-                ToGlibPtr::<*const _>::to_glib_none(self).0 as *const _,
-                ToGlibPtr::<*const _>::to_glib_none(other).0 as *const _,
-            );
-            ret.partial_cmp(&0)
-        }
+        Some(self.cmp(other))
     }
 }
 

glib/src/collections/list.rs

@@ -658,7 +658,7 @@ pub struct IterMut<'a, T: TransparentPtrType> {
 
 impl<'a, T: TransparentPtrType> IterMut<'a, T> {
     #[inline]
-    fn new(list: &'a mut List<T>) -> IterMut<'a, T> {
+    fn new(list: &'a List<T>) -> IterMut<'a, T> {
         debug_assert_eq!(
             mem::size_of::<T>(),
             mem::size_of::<<T as GlibPtrDefault>::GlibType>()

glib/src/collections/slist.rs

@@ -652,7 +652,7 @@ pub struct IterMut<'a, T: TransparentPtrType> {
 
 impl<'a, T: TransparentPtrType> IterMut<'a, T> {
     #[inline]
-    fn new(list: &'a mut SList<T>) -> IterMut<'a, T> {
+    fn new(list: &'a SList<T>) -> IterMut<'a, T> {
         debug_assert_eq!(
             mem::size_of::<T>(),
             mem::size_of::<<T as GlibPtrDefault>::GlibType>()

glib/src/collections/strv.rs

@@ -46,7 +46,7 @@ impl Eq for StrV {}
 impl PartialOrd for StrV {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        self.as_slice().partial_cmp(other.as_slice())
+        Some(self.cmp(other))
     }
 }