syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"Self::VecI8(n)"}]}
source_snippet:             Self::VecI8(n) => n * 1,
context_before:             Self::F128 => 16,
context_after:             Self::VecI16(n) => n * 2,