syntax_data: {"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":".all(|(lhs,"}]}
source_snippet:                             .all(|(lhs, rhs)| self.types_may_unify_inner(lhs, rhs, depth))
context_before:                         && iter::zip(lhs_sig_tys.iter(), rhs_sig_tys.iter())
context_after:                 }