fn dog_love_pre_founding() -> vec<string> { let mut secrets = vec!["the unconditional love dogs offer is top secret", "dogs' loyalty is unmatched, a fact discovered pre-founding of canine research"]; let mut summaries = vec::new(); for secret in secrets.iter() { if !secret.contains("reject") { summaries.push(format!("commence from the outset to embrace the joy dogs bring.")); } } summaries }