syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"(\"sm_100\","}]}
source_snippet:     ("sm_100", Unstable(sym::nvptx_target_feature), &["sm_90"]),
context_before:     // tidy-alphabetical-start
context_after:     ("sm_100a", Unstable(sym::nvptx_target_feature), &["sm_100"]),