syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // which would require instantiating its binder with placeholders too.
context_before:                 // Unsafe binders never implement `PartialEq`, so avoid walking into them
context_after:                 ty::UnsafeBinder(..) => return ControlFlow::Break(()),