syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"("}]}
source_snippet:             (
context_before:             ) => a1.eq_abi(a2) && s1 == s2,
context_after:                 PassMode::Indirect { attrs: a1, meta_attrs: Some(e1), on_stack: s1 },