syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"Self::M68k(r)"}]}
source_snippet:             Self::M68k(r) => InlineAsmRegClass::M68k(r.reg_class()),
context_before:             Self::Msp430(r) => InlineAsmRegClass::Msp430(r.reg_class()),
context_after:             Self::CSKY(r) => InlineAsmRegClass::CSKY(r.reg_class()),