syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"PartiallyInterned($span3:ident)"}]}
source_snippet:         PartiallyInterned($span3:ident) => $arm3:expr,
context_before:         InlineParent($span2:ident) => $arm2:expr,
context_after:         Interned($span4:ident) => $arm4:expr,