Reflection for castables

1 files changed, 7 insertions, 1 deletions

diff --git a/src/model/content.rs b/src/model/content.rs
index e73fa4a8..df910a58 100644
--- a/src/model/content.rs
+++ b/src/model/content.rs
@@ -11,7 +11,8 @@ use thin_vec::ThinVec;
 use typst_macros::node;
 
 use super::{
-    capability, capable, Args, Guard, Key, Property, Recipe, Style, StyleMap, Value, Vm,
+    capability, capable, Args, Guard, Key, ParamInfo, Property, Recipe, Style, StyleMap,
+    Value, Vm,
 };
 use crate::diag::{SourceResult, StrResult};
 use crate::syntax::Span;
@@ -426,6 +427,11 @@ pub trait Node: 'static + Capable {
     where
         Self: Sized;
 
+    /// List the settable properties.
+    fn properties() -> Vec<ParamInfo>
+    where
+        Self: Sized;
+
     /// Access a field on this node.
     fn field(&self, name: &str) -> Option<Value>;
 }