Use move closures

Author: kornelski

src/reader/parser.rs

@@ -464,7 +464,7 @@ impl PullParser {
             self.read_prefix_separator = false;
         }
 
-        let invoke_callback = |this: &mut PullParser, t| {
+        let invoke_callback = move |this: &mut PullParser, t| {
             let name = this.take_buf();
             match name.parse() {
                 Ok(name) => on_name(this, t, name),

src/writer/emitter.rs

@@ -253,7 +253,7 @@ impl Emitter {
         self.before_markup(target)?;
 
         let result = {
-            let mut write = || {
+            let mut write = move || {
                 write!(target, "<?{name}")?;
 
                 if let Some(data) = data {
@@ -415,7 +415,7 @@ impl Emitter {
         // TODO: add escaping dashes at the end of the comment
 
         let autopad_comments = self.config.autopad_comments;
-        let write = |target: &mut W| -> Result<()> {
+        let write = move |target: &mut W| -> Result<()> {
             target.write_all(b"<!--")?;
 
             if autopad_comments && !content.starts_with(char::is_whitespace) {