syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"Self::reg"}]}
source_snippet:             Self::reg => &['w', 'x'],
context_before:         match self {
context_after:             Self::vreg | Self::vreg_low16 => &['b', 'h', 's', 'd', 'q', 'v'],