Show it!

- New show rule syntax
- Set if syntax
- Removed wrap syntax

4 files changed, 51 insertions, 45 deletions

diff --git a/library/src/structure/heading.rs b/library/src/structure/heading.rs
index 62a67000..46e98c18 100644
--- a/library/src/structure/heading.rs
+++ b/library/src/structure/heading.rs
@@ -12,7 +12,7 @@ pub struct HeadingNode {
     pub body: Content,
 }
 
-#[node(Show)]
+#[node(Show, Finalize)]
 impl HeadingNode {
     /// The heading's font family. Just the normal text family if `auto`.
     #[property(referenced)]
@@ -67,12 +67,6 @@ impl HeadingNode {
         }
         .pack())
     }
-}
-
-impl Show for HeadingNode {
-    fn unguard_parts(&self, sel: Selector) -> Content {
-        Self { body: self.body.unguard(sel), ..*self }.pack()
-    }
 
     fn field(&self, name: &str) -> Option<Value> {
         match name {
@@ -81,11 +75,19 @@ impl Show for HeadingNode {
             _ => None,
         }
     }
+}
 
-    fn realize(&self, _: Tracked<dyn World>, _: StyleChain) -> SourceResult<Content> {
+impl Show for HeadingNode {
+    fn unguard_parts(&self, sel: Selector) -> Content {
+        Self { body: self.body.unguard(sel), ..*self }.pack()
+    }
+
+    fn show(&self, _: Tracked<dyn World>, _: StyleChain) -> SourceResult<Content> {
         Ok(BlockNode(self.body.clone()).pack())
     }
+}
 
+impl Finalize for HeadingNode {
     fn finalize(
         &self,
         world: Tracked<dyn World>,
diff --git a/library/src/structure/list.rs b/library/src/structure/list.rs
index a5e1380a..499207a4 100644
--- a/library/src/structure/list.rs
+++ b/library/src/structure/list.rs
@@ -22,7 +22,7 @@ pub type EnumNode = ListNode<ENUM>;
 /// A description list.
 pub type DescNode = ListNode<DESC>;
 
-#[node(Show)]
+#[node(Show, Finalize)]
 impl<const L: ListKind> ListNode<L> {
     /// How the list is labelled.
     #[property(referenced)]
@@ -80,16 +80,6 @@ impl<const L: ListKind> ListNode<L> {
         }
         .pack())
     }
-}
-
-impl<const L: ListKind> Show for ListNode<L> {
-    fn unguard_parts(&self, sel: Selector) -> Content {
-        Self {
-            items: self.items.map(|item| item.unguard(sel)),
-            ..*self
-        }
-        .pack()
-    }
 
     fn field(&self, name: &str) -> Option<Value> {
         match name {
@@ -101,8 +91,18 @@ impl<const L: ListKind> Show for ListNode<L> {
             _ => None,
         }
     }
+}
 
-    fn realize(
+impl<const L: ListKind> Show for ListNode<L> {
+    fn unguard_parts(&self, sel: Selector) -> Content {
+        Self {
+            items: self.items.map(|item| item.unguard(sel)),
+            ..*self
+        }
+        .pack()
+    }
+
+    fn show(
         &self,
         world: Tracked<dyn World>,
         styles: StyleChain,
@@ -140,7 +140,7 @@ impl<const L: ListKind> Show for ListNode<L> {
                 ListItem::Enum(_, body) => body.as_ref().clone(),
                 ListItem::Desc(item) => Content::sequence(vec![
                     HNode { amount: (-body_indent).into(), weak: false }.pack(),
-                    (item.term.clone() + TextNode(':'.into()).pack()).strong(),
+                    (item.term.clone() + TextNode::packed(':')).strong(),
                     SpaceNode.pack(),
                     item.body.clone(),
                 ]),
@@ -162,7 +162,9 @@ impl<const L: ListKind> Show for ListNode<L> {
         }
         .pack())
     }
+}
 
+impl<const L: ListKind> Finalize for ListNode<L> {
     fn finalize(
         &self,
         _: Tracked<dyn World>,
@@ -312,14 +314,14 @@ impl Label {
     ) -> SourceResult<Content> {
         Ok(match self {
             Self::Default => match kind {
-                LIST => TextNode('•'.into()).pack(),
-                ENUM => TextNode(format_eco!("{}.", number)).pack(),
+                LIST => TextNode::packed('•'),
+                ENUM => TextNode::packed(format_eco!("{}.", number)),
                 DESC | _ => panic!("description lists don't have a label"),
             },
             Self::Pattern(prefix, numbering, upper, suffix) => {
                 let fmt = numbering.apply(number);
                 let mid = if *upper { fmt.to_uppercase() } else { fmt.to_lowercase() };
-                TextNode(format_eco!("{}{}{}", prefix, mid, suffix)).pack()
+                TextNode::packed(format_eco!("{}{}{}", prefix, mid, suffix))
             }
             Self::Content(content) => content.clone(),
             Self::Func(func, span) => {
diff --git a/library/src/structure/reference.rs b/library/src/structure/reference.rs
index 56f8b8e3..18f4eecb 100644
--- a/library/src/structure/reference.rs
+++ b/library/src/structure/reference.rs
@@ -8,23 +8,23 @@ pub struct RefNode(pub EcoString);
 #[node(Show)]
 impl RefNode {
     fn construct(_: &mut Vm, args: &mut Args) -> SourceResult<Content> {
-        Ok(Self(args.expect("label")?).pack())
-    }
-}
-
-impl Show for RefNode {
-    fn unguard_parts(&self, _: Selector) -> Content {
-        Self(self.0.clone()).pack()
+        Ok(Self(args.expect("target")?).pack())
     }
 
     fn field(&self, name: &str) -> Option<Value> {
         match name {
-            "label" => Some(Value::Str(self.0.clone().into())),
+            "target" => Some(Value::Str(self.0.clone().into())),
             _ => None,
         }
     }
+}
+
+impl Show for RefNode {
+    fn unguard_parts(&self, _: Selector) -> Content {
+        Self(self.0.clone()).pack()
+    }
 
-    fn realize(&self, _: Tracked<dyn World>, _: StyleChain) -> SourceResult<Content> {
-        Ok(TextNode(format_eco!("@{}", self.0)).pack())
+    fn show(&self, _: Tracked<dyn World>, _: StyleChain) -> SourceResult<Content> {
+        Ok(TextNode::packed(format_eco!("@{}", self.0)))
     }
 }
diff --git a/library/src/structure/table.rs b/library/src/structure/table.rs
index 722f11e6..fbf1c7c0 100644
--- a/library/src/structure/table.rs
+++ b/library/src/structure/table.rs
@@ -12,7 +12,7 @@ pub struct TableNode {
     pub cells: Vec<Content>,
 }
 
-#[node(Show)]
+#[node(Show, Finalize)]
 impl TableNode {
     /// How to fill the cells.
     #[property(referenced)]
@@ -46,6 +46,15 @@ impl TableNode {
         }
         .pack())
     }
+
+    fn field(&self, name: &str) -> Option<Value> {
+        match name {
+            "cells" => Some(Value::Array(
+                self.cells.iter().cloned().map(Value::Content).collect(),
+            )),
+            _ => None,
+        }
+    }
 }
 
 impl Show for TableNode {
@@ -58,16 +67,7 @@ impl Show for TableNode {
         .pack()
     }
 
-    fn field(&self, name: &str) -> Option<Value> {
-        match name {
-            "cells" => Some(Value::Array(
-                self.cells.iter().cloned().map(Value::Content).collect(),
-            )),
-            _ => None,
-        }
-    }
-
-    fn realize(
+    fn show(
         &self,
         world: Tracked<dyn World>,
         styles: StyleChain,
@@ -106,7 +106,9 @@ impl Show for TableNode {
         }
         .pack())
     }
+}
 
+impl Finalize for TableNode {
     fn finalize(
         &self,
         _: Tracked<dyn World>,