Improve docs of `ui.collapsing`

See https://github.com/emilk/egui/issues/4265
2024-03-29 15:58:22 +01:00 · 2024-03-29 15:58:22 +01:00 · 0a428f0887
parent dfbe118ea4
commit 0a428f0887
1 changed files with 3 additions and 0 deletions
--- a/crates/egui/src/ui.rs
+++ b/crates/egui/src/ui.rs
@ -1806,6 +1806,9 @@ impl Ui {
    }

    /// A [`CollapsingHeader`] that starts out collapsed.
+    ///
+    /// The name must be unique within the current parent,
+    /// or you need to use [`CollapsingHeader::id_source`].
    pub fn collapsing<R>(
        &mut self,
        heading: impl Into<WidgetText>,