Clippy fixes.

CHANGELOG.md

@@ -1,7 +1,7 @@
 mail-parser 0.8.2
 ================================
--  Fix: Parsing address name with \ characters (#41) 
--  Fix: Missing space when folded header begins with RFC2047 word (#43) 
+- Fix: Parsing address name with \ characters (#41) 
+- Fix: Missing space when folded header begins with RFC2047 word (#43) 
 
 mail-parser 0.8.1
 ================================

src/decoders/charsets/map.rs

@@ -22,7 +22,7 @@ pub fn charset_decoder(charset: &[u8]) -> Option<DecoderFnc> {
         let mut hash: u32 = charset.len() as u32;
 
         for (pos, ch) in charset.iter().enumerate() {
-            let ch = if (b'A'..=b'Z').contains(ch) {
+            let ch = if ch.is_ascii_uppercase() {
                 *ch + 32
             } else {
                 *ch

src/lib.rs

@@ -304,10 +304,11 @@ pub struct MessagePart<'x> {
 }
 
 /// MIME Part encoding type
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
 #[cfg_attr(feature = "serde_support", derive(Serialize, Deserialize))]
 #[repr(u8)]
 pub enum Encoding {
+    #[default]
     None = 0,
     QuotedPrintable = 1,
     Base64 = 2,
@@ -323,12 +324,6 @@ impl From<u8> for Encoding {
     }
 }
 
-impl Default for Encoding {
-    fn default() -> Self {
-        Encoding::None
-    }
-}
-
 /// Unique ID representing a MIME part within a message.
 pub type MessagePartId = usize;
 
@@ -714,7 +709,7 @@ impl Display for RfcHeader {
 }
 
 /// Parsed header value.
-#[derive(Debug, PartialEq, Eq, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone, Default)]
 #[cfg_attr(feature = "serde_support", derive(Serialize, Deserialize))]
 pub enum HeaderValue<'x> {
     /// Single address
@@ -741,15 +736,10 @@ pub enum HeaderValue<'x> {
     /// Content-Type or Content-Disposition header
     ContentType(ContentType<'x>),
 
+    #[default]
     Empty,
 }
 
-impl<'x> Default for HeaderValue<'x> {
-    fn default() -> Self {
-        HeaderValue::Empty
-    }
-}
-
 impl<'x> HeaderValue<'x> {
     pub fn is_empty(&self) -> bool {
         *self == HeaderValue::Empty

src/parsers/message.rs

@@ -21,7 +21,7 @@ use super::MessageStream;
 
 const MAX_NESTED_ENCODED: usize = 3;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Default)]
 enum MimeType {
     MultipartMixed,
     MultipartAlernative,
@@ -31,16 +31,11 @@ enum MimeType {
     TextHtml,
     TextOther,
     Inline,
+    #[default]
     Message,
     Other,
 }
 
-impl Default for MimeType {
-    fn default() -> Self {
-        MimeType::Message
-    }
-}
-
 #[inline(always)]
 fn mime_type(
     content_type: Option<&ContentType>,