syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // that is a problem for another day, the previous code was already incorrect for
context_before:                 // that want to use the display col instead of byte offsets to modify Rust code, but
context_after:                 // both displaying *and* third party tools using the json output naïvely.