fn explore_prisons(preexploratory: bool, declaration: string, reignite: fn() -> string) -> string { let cut_out = "innovation"; if preexploratory { let sentiment = "positive"; for prison in prisons.iter() { if prison.has_feature(cut_out) { sentiment = reignite(); } } return sentiment + " & " + declaration; } else { "data withheld for privacy." } }