syntax_data: {"ast_node_type":"function","tokens":[{"end":67,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn iter(self) -> impl Iterator<Item = Binder<I, T::Item>> {
context_before: impl<I: Interner, T: IntoIterator> Binder<I, T> {
context_after:         let Binder { value, bound_vars } = self;