Do as Dolores says ⚡

src/compute/value.rs

@@ -132,9 +132,7 @@ impl PartialEq for Value {
             (Color(a), Color(b)) => a == b,
             (Table(a), Table(b)) => a == b,
             (Tree(a), Tree(b)) => a == b,
-            (Func(a), Func(b)) => {
+            (Func(a), Func(b)) => Rc::ptr_eq(a, b),
-                a.as_ref() as *const _ == b.as_ref() as *const _
-            }
             (Commands(a), Commands(b)) => a == b,
             _ => false,
         }
@@ -202,7 +200,7 @@ impl TableValue {
     /// there is any.
     ///
     /// Generates an error if the key exists but the value does not match.
-    pub fn take_key<'a, T>(&mut self, key: &str, f: &mut Feedback) -> Option<T>
+    pub fn take_key<T>(&mut self, key: &str, f: &mut Feedback) -> Option<T>
     where
         T: TryFromValue,
     {

src/export/pdf.rs

@@ -14,7 +14,7 @@ use tide::{PdfWriter, Rect, Ref, Trailer, Version};
 use ttf_parser::{name_id, GlyphId};
 
 use crate::layout::elements::LayoutElement;
-use crate::layout::{BoxLayout, MultiLayout};
+use crate::layout::BoxLayout;
 use crate::length::Length;
 use crate::SharedFontLoader;
 
@@ -27,7 +27,7 @@ use crate::SharedFontLoader;
 /// The raw _PDF_ is written into the `target` writable, returning the number of
 /// bytes written.
 pub fn export<W: Write>(
-    layout: &MultiLayout,
+    layout: &[BoxLayout],
     loader: &SharedFontLoader,
     target: W,
 ) -> io::Result<usize> {
@@ -36,7 +36,7 @@ pub fn export<W: Write>(
 
 struct PdfExporter<'a, W: Write> {
     writer: PdfWriter<W>,
-    layouts: &'a MultiLayout,
+    layouts: &'a [BoxLayout],
     loader: &'a SharedFontLoader,
     /// We need to know exactly which indirect reference id will be used for
     /// which objects up-front to correctly declare the document catalogue, page
@@ -60,7 +60,7 @@ const NUM_OBJECTS_PER_FONT: u32 = 5;
 
 impl<'a, W: Write> PdfExporter<'a, W> {
     fn new(
-        layouts: &'a MultiLayout,
+        layouts: &'a [BoxLayout],
         loader: &'a SharedFontLoader,
         target: W,
     ) -> io::Result<Self> {
@@ -289,7 +289,7 @@ impl<'a, W: Write> PdfExporter<'a, W> {
 /// Assigns a new PDF-internal index to each used face and returns two mappings:
 /// - Forwards from the old face ids to the new pdf indices (hash map)
 /// - Backwards from the pdf indices to the old face ids (vec)
-fn remap_fonts(layouts: &MultiLayout) -> (HashMap<FaceId, usize>, Vec<FaceId>) {
+fn remap_fonts(layouts: &[BoxLayout]) -> (HashMap<FaceId, usize>, Vec<FaceId>) {
     let mut to_pdf = HashMap::new();
     let mut to_layout = vec![];
 

src/syntax/parsing.rs

@@ -67,7 +67,7 @@ impl Parser<'_> {
                 }
 
                 Token::LeftBracket => {
-                    self.parse_bracket_call(false).map(|c| SyntaxNode::Call(c))
+                    self.parse_bracket_call(false).map(SyntaxNode::Call)
                 }
 
                 Token::Star => self.with_span(SyntaxNode::ToggleBolder),
@@ -143,7 +143,7 @@ impl Parser<'_> {
         let (has_chained_child, end) = if self.peek().is_some() {
             let item = self.parse_bracket_call(true);
             let span = item.span;
-            let t = vec![item.map(|f| SyntaxNode::Call(f))];
+            let t = vec![item.map(SyntaxNode::Call)];
             args.push(SpannedEntry::val(Spanned::new(Expr::Tree(t), span)));
             (true, span.end)
         } else {
@@ -203,10 +203,10 @@ impl Parser<'_> {
 
                     Some(Token::LeftParen) => {
                         let call = self.parse_paren_call(ident);
-                        (None, call.map(|c| Expr::Call(c)))
+                        (None, call.map(Expr::Call))
                     }
 
-                    _ => (None, ident.map(|id| Expr::Ident(id)))
+                    _ => (None, ident.map(Expr::Ident))
                 }
             } else {
                 (None, try_or!(self.parse_expr(), {
@@ -316,9 +316,9 @@ impl Parser<'_> {
                 self.eat();
                 self.skip_white();
                 if self.check(Token::LeftParen) {
-                    self.parse_paren_call(name).map(|call| Expr::Call(call))
+                    self.parse_paren_call(name).map(Expr::Call)
                 } else {
-                    name.map(|id| Expr::Ident(id))
+                    name.map(Expr::Ident)
                 }
             }
 
@@ -377,7 +377,7 @@ impl Parser<'_> {
             // This is a bracketed function call.
             Token::LeftBracket => {
                 let call = self.parse_bracket_call(false);
-                let tree = vec![call.map(|c| SyntaxNode::Call(c))];
+                let tree = vec![call.map(SyntaxNode::Call)];
                 Spanned::new(Expr::Tree(tree), span)
             }
 

src/syntax/tokens.rs

@@ -478,7 +478,7 @@ pub fn is_identifier(string: &str) -> bool {
         _ => return false,
     }
 
-    while let Some(c) = chars.next() {
+    for c in chars {
         match c {
             c if UnicodeXID::is_xid_continue(c) || is_extra_allowed(c) => {}
             _ => return false,