syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"(\"sm_52\","}]}
source_snippet:     ("sm_52", Unstable(sym::nvptx_target_feature), &["sm_50"]),
context_before:     ("sm_50", Unstable(sym::nvptx_target_feature), &["sm_37"]),
context_after:     ("sm_53", Unstable(sym::nvptx_target_feature), &["sm_52"]),