cargo: fix some edition 2024 warnings

examples/app_memory_test.rs

@@ -26,12 +26,16 @@ pub struct Trallocator<A: GlobalAlloc>(pub A, AtomicU64);
 
 unsafe impl<A: GlobalAlloc> GlobalAlloc for Trallocator<A> {
     unsafe fn alloc(&self, l: Layout) -> *mut u8 {
-        self.1.fetch_add(l.size() as u64, Ordering::SeqCst);
-        self.0.alloc(l)
+        unsafe {
+            self.1.fetch_add(l.size() as u64, Ordering::SeqCst);
+            self.0.alloc(l)
+        }
     }
     unsafe fn dealloc(&self, ptr: *mut u8, l: Layout) {
-        self.0.dealloc(ptr, l);
-        self.1.fetch_sub(l.size() as u64, Ordering::SeqCst);
+        unsafe {
+            self.0.dealloc(ptr, l);
+            self.1.fetch_sub(l.size() as u64, Ordering::SeqCst);
+        }
     }
 }
 

src/workbook.rs

@@ -862,10 +862,9 @@ impl Workbook {
     /// src="https://rustxlsxwriter.github.io/images/workbook_worksheet_from_index.png">
     ///
     pub fn worksheet_from_index(&mut self, index: usize) -> Result<&mut Worksheet, XlsxError> {
-        if let Some(worksheet) = self.worksheets.get_mut(index) {
-            Ok(worksheet)
-        } else {
-            Err(XlsxError::UnknownWorksheetNameOrIndex(index.to_string()))
+        match self.worksheets.get_mut(index) {
+            Some(worksheet) => Ok(worksheet),
+            _ => Err(XlsxError::UnknownWorksheetNameOrIndex(index.to_string())),
         }
     }
 

tests/integration/common/mod.rs

@@ -7,7 +7,7 @@
 
 #[macro_export]
 macro_rules! assert_result {
-    ( $x:expr ) => {
+    ( $x:expr_2021 ) => {
         match $x {
             Ok(result) => result,
             Err(e) => panic!("\n!\n! XlsxError:\n! {:?}\n!\n", e),