Add Destruct macro and trait for automatically acessing struct fields

node-graph/libraries/core-types/src/registry.rs

@@ -16,6 +16,7 @@ pub struct NodeMetadata {
 	pub description: &'static str,
 	pub properties: Option<&'static str>,
 	pub context_features: Vec<ContextFeature>,
+	pub output_fields: &'static [StructField],
 }
 
 // Translation struct between macro and definition
@@ -36,6 +37,26 @@ pub struct FieldMetadata {
 	pub unit: Option<&'static str>,
 }
 
+#[derive(Clone, Debug)]
+pub struct StructField {
+	pub name: &'static str,
+	pub node_path: &'static str,
+	pub ty: Type,
+}
+
+pub trait Destruct {
+	fn fields(&self) -> &'static [StructField];
+}
+
+impl<T> Destruct for &T
+where
+	T: Default,
+{
+	fn fields(&self) -> &'static [StructField] {
+		&[]
+	}
+}
+
 #[derive(Clone, Debug)]
 pub enum RegistryWidgetOverride {
 	None,