clippy fix and fmt

Author: zkat

Diff for: src/document.rs

@@ -245,15 +245,15 @@ impl KdlDocument {
 
     /// Formats the document according to `config`.
     pub fn autoformat_config(&mut self, config: &FormatConfig<'_>) {
-        if let Some(KdlDocumentFormat { leading, .. }) = (&mut *self).format_mut() {
+        if let Some(KdlDocumentFormat { leading, .. }) = (*self).format_mut() {
             crate::fmt::autoformat_leading(leading, config);
         }
         let mut has_nodes = false;
-        for node in &mut (&mut *self).nodes {
+        for node in &mut self.nodes {
             has_nodes = true;
             node.autoformat_config(config);
         }
-        if let Some(KdlDocumentFormat { trailing, .. }) = (&mut *self).format_mut() {
+        if let Some(KdlDocumentFormat { trailing, .. }) = (*self).format_mut() {
             crate::fmt::autoformat_trailing(trailing, config.no_comments);
             if !has_nodes {
                 trailing.push('\n');

Diff for: src/fmt.rs

@@ -81,7 +81,7 @@ impl<'a> FormatConfigBuilder<'a> {
 
     /// The indentation to use at each level.
     /// Defaults to four spaces if not specified.
-    pub const fn indent<'b>(self, indent: &'b str) -> FormatConfigBuilder<'b> {
+    pub const fn indent(self, indent: &str) -> FormatConfigBuilder<'_> {
         FormatConfigBuilder(FormatConfig { indent, ..self.0 })
     }
 

Diff for: src/lib.rs

@@ -15,7 +15,7 @@
 //!
 //! This crate supports parsing [KDL
 //! 2.0.0-draft.6](https://github.com/kdl-org/kdl/releases/tag/2.0.0-draft.6)
-//! 
+//!
 //! ## Example
 //!
 //! ```rust