syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"RustcAbi::X86Sse2"}]}
source_snippet:             RustcAbi::X86Sse2 => "x86-sse2",
context_before:         match *self {
context_after:             RustcAbi::X86Softfloat => "x86-softfloat",