fix: resolve new clippy warnings on nightly (#262)

src/read/stream.rs

@@ -182,7 +182,7 @@ impl ZipStreamFileMetadata {
         self.name()
             .chars()
             .next_back()
-            .map_or(false, |c| c == '/' || c == '\\')
+            .is_some_and(|c| c == '/' || c == '\\')
     }
 
     /// Returns whether the file is a regular file

src/spec.rs

@@ -699,7 +699,7 @@ pub(crate) fn is_dir(filename: &str) -> bool {
     filename
         .chars()
         .next_back()
-        .map_or(false, |c| c == '/' || c == '\\')
+        .is_some_and(|c| c == '/' || c == '\\')
 }
 
 #[cfg(test)]

src/types.rs

@@ -831,7 +831,7 @@ impl ZipFileData {
             extra_field_length: extra_field_len.checked_add(central_extra_field_len).ok_or(
                 ZipError::InvalidArchive("Extra field length in central directory exceeds 64KiB"),
             )?,
-            file_comment_length: self.file_comment.as_bytes().len().try_into().unwrap(),
+            file_comment_length: self.file_comment.len().try_into().unwrap(),
             disk_number: 0,
             internal_file_attributes: 0,
             external_file_attributes: self.external_attributes,

src/write.rs

@@ -911,9 +911,9 @@ impl<W: Write + Seek> ZipWriter<W> {
             ),
             _ => (options.compression_method, None),
         };
-        let header_end = header_start
-            + size_of::<ZipLocalEntryBlock>() as u64
-            + name.to_string().as_bytes().len() as u64;
+        let header_end =
+            header_start + size_of::<ZipLocalEntryBlock>() as u64 + name.to_string().len() as u64;
+
         if options.alignment > 1 {
             let extra_data_end = header_end + extra_data.len() as u64;
             let align = options.alignment as u64;