syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // pointer, or it could be passed as `{ i32, i128 }` in which
context_before:                 // in which case the x86_64 backend would use a return area
context_after:                 // case the x86_64 backend would pass it in registers by taking