syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// Binder<I, TraitRef>`). Note that when we instantiate,
context_before: /// (which would be represented by the type `PolyTraitRef ==
context_after: /// erase, or otherwise "discharge" these bound vars, we change the