syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"("}]}
source_snippet:             (
context_before:             ) => c1.eq_abi(c2) && pad1 == pad2,
context_after:                 PassMode::Indirect { attrs: a1, meta_attrs: None, on_stack: s1 },