Macro kas::widget_index

widget_index!() { /* proc-macro */ }

Index of a child widget

This macro is usable only within an impl_scope! macro using the widget attribute.

Example usage: widget_index![self.a]. If a is a child widget (a field marked with the #[widget] attribute), then this expands to the child widget’s index (as used by Widget::get_child). Otherwise, this is an error.