syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"self.t.next().map(|value|"}]}
source_snippet:         self.t.next().map(|value| EarlyBinder { value, _tcx: PhantomData })
context_before:     fn next(&mut self) -> Option<Self::Item> {
context_after:     }