Fix clippy nits

src/lib.rs

@@ -74,6 +74,7 @@ macro_rules! deref {
 ///
 /// Use [`XmpWriter::new`] to create a new instance and get the resulting XMP
 /// metadata by calling [`XmpWriter::finish`].
+#[derive(Default)]
 pub struct XmpWriter<'a> {
     pub(crate) buf: String,
     namespaces: BTreeSet<Namespace<'a>>,
@@ -82,7 +83,7 @@ pub struct XmpWriter<'a> {
 impl<'n> XmpWriter<'n> {
     /// Create a new XMP writer.
     pub fn new() -> XmpWriter<'n> {
-        Self { buf: String::new(), namespaces: BTreeSet::new() }
+        Self::default()
     }
 
     /// Add a custom element to the XMP metadata.
@@ -437,7 +438,7 @@ impl<'n> XmpWriter<'n> {
     /// Start writing the `xmpMM:History` property.
     ///
     /// A list of actions taken on the document.
-    pub fn history<'a>(&mut self) -> ResourceEventsWriter<'_, 'n> {
+    pub fn history(&mut self) -> ResourceEventsWriter<'_, 'n> {
         ResourceEventsWriter::start(
             self.element("History", Namespace::XmpMedia)
                 .array(RdfCollectionType::Seq),
@@ -447,7 +448,7 @@ impl<'n> XmpWriter<'n> {
     /// Write the `xmpMM:Ingredients` property.
     ///
     /// A list of resources that were used to create the document.
-    pub fn ingredients<'a>(&mut self) -> ResourceRefsWriter<'_, 'n> {
+    pub fn ingredients(&mut self) -> ResourceRefsWriter<'_, 'n> {
         ResourceRefsWriter::start(
             self.element("Ingredients", Namespace::XmpMedia)
                 .array(RdfCollectionType::Bag),

src/types.rs

@@ -164,23 +164,23 @@ impl<'a, 'n: 'a> Element<'a, 'n> {
     }
 
     /// Start writing an unordered array (`rdf:Bag`) as the property value.
-    pub fn unordered_array<'b>(self, items: impl IntoIterator<Item = impl XmpType>) {
+    pub fn unordered_array(self, items: impl IntoIterator<Item = impl XmpType>) {
         let mut array = self.array(RdfCollectionType::Bag);
         for item in items {
             array.element().value(item);
         }
     }
 
     /// Start writing an ordered array (`rdf:Seq`) as the property value.
-    pub fn ordered_array<'b>(self, items: impl IntoIterator<Item = impl XmpType>) {
+    pub fn ordered_array(self, items: impl IntoIterator<Item = impl XmpType>) {
         let mut array = self.array(RdfCollectionType::Seq);
         for item in items {
             array.element().value(item);
         }
     }
 
     /// Start writing an alternative array (`rdf:Alt`) as the property value.
-    pub fn alternative_array<'b>(self, items: impl IntoIterator<Item = impl XmpType>) {
+    pub fn alternative_array(self, items: impl IntoIterator<Item = impl XmpType>) {
         let mut array = self.array(RdfCollectionType::Alt);
         for item in items {
             array.element().value(item);