syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"Self::freg"}]}
source_snippet:             Self::freg => types! { _: F32, F64; },
context_before:             Self::reg | Self::reg_addr => types! { _: I8, I16, I32, I64; },
context_after:             Self::vreg => {