use cache_macro::cache; use lru_cache::LruCache; #[test] fn multiple_caches() { use std::f64; #[cache(LruCache : LruCache::new(20))] fn cached_sqrt(x: u64) -> f64 { f64::sqrt(x as f64) } #[cache(LruCache : LruCache::new(20))] fn cached_log(x: u64) -> f64 { f64::ln(x as f64) } assert_eq!(cached_sqrt(9), f64::sqrt(9.0)); assert_eq!(cached_log(9), f64::ln(9.0)); }