Show with set

3 files changed, 9 insertions, 2 deletions

diff --git a/src/model/eval.rs b/src/model/eval.rs
index 79ad0815..b7df12aa 100644
--- a/src/model/eval.rs
+++ b/src/model/eval.rs
@@ -851,7 +851,11 @@ impl Eval for ast::ShowRule {
 
         let transform = self.transform();
         let span = transform.span();
-        let transform = transform.eval(vm)?.cast::<Transform>().at(span)?;
+
+        let transform = match transform {
+            ast::Expr::Set(set) => Transform::Style(set.eval(vm)?),
+            expr => expr.eval(vm)?.cast::<Transform>().at(span)?,
+        };
 
         Ok(Recipe { span, selector, transform })
     }
diff --git a/src/model/styles.rs b/src/model/styles.rs
index 4195d3e1..30db00bd 100644
--- a/src/model/styles.rs
+++ b/src/model/styles.rs
@@ -491,6 +491,8 @@ pub enum Transform {
     Content(Content),
     /// A function to apply to the match.
     Func(Func),
+    /// Apply styles to the content.
+    Style(StyleMap),
 }
 
 impl Transform {
@@ -512,6 +514,7 @@ impl Transform {
                 }
                 Ok(result?.display())
             }
+            Transform::Style(styles) => Ok(content.styled_with_map(styles.clone())),
         }
     }
 }
diff --git a/src/syntax/incremental.rs b/src/syntax/incremental.rs
index 1087bb79..6c9145a2 100644
--- a/src/syntax/incremental.rs
+++ b/src/syntax/incremental.rs
@@ -458,7 +458,7 @@ mod tests {
         test(r#"a ```typst hello``` b"#, 16 .. 17, "", 0 .. 18);
         test(r#"a ```typst hello```"#, 16 .. 17, "", 0 .. 18);
         test("#for", 4 .. 4, "//", 0 .. 6);
-        test("#show a: f as b..", 16..16, "c", 0..18);
+        test("#show f: a => b..", 16..16, "c", 0..18);
         test("a\n#let \nb", 7 .. 7, "i", 2 .. 9);
         test("a\n#for i \nb", 9 .. 9, "in", 2 .. 12);
         test("a~https://fun/html", 13..14, "n", 0..18);