syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // uninitialized (in reality, they are *definitely* uninitialized).
context_before:         // Mark all move paths that correspond to variants other than this one as maybe
context_after:         drop_flag_effects::on_all_inactive_variants(