syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// This field is *not* forwarded directly to LLVM; its primary purpose is `cfg(target_abi)`.
context_before:     /// or `"eabihf"`. Defaults to "".
context_after:     /// However, parts of the backend do check this field for specific values to enable special behavior.