Expose list of queryable ids

src/builder/builder.rs

@@ -166,6 +166,10 @@ impl GuiBuilder {
 
         Ok(())
     }
+
+    pub fn ids(&self) -> Vec<&str> {
+        self.ids.keys().map(|n| n.as_str()).collect()
+    }
 }
 
 // --- traits ---

src/builder/snippet.rs

@@ -63,6 +63,10 @@ impl GuiSnippet {
 
         Ok(Arc::new(GuiSnippet { grid, ids }))
     }
+
+    pub fn ids(&self) -> Vec<&str> {
+        self.ids.keys().map(|n| n.as_str()).collect()
+    }
 }
 
 macro_rules! impl_element {