Improve arg parsing

crates/pile-value/src/extract/misc/map.rs

@@ -10,7 +10,15 @@ pub struct MapExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for MapExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.inner.get(name).cloned())
 	}