gistfile1.txt

> open Archer.Collections;;            
> let c = new LruCache<int,string>(3);;
val c : LruCache<int,string>

> c.Add(5, "a");;
val it : unit = ()
> c.Add(6, "b");;
val it : unit = ()
> c.Add(7, "c");;
val it : unit = ()

> c.ContainsKey(1);;
val it : bool = false
> c.ContainsKey(5);;
val it : bool = true
> c.ContainsKey(6);;
val it : bool = true
> c.ContainsKey(7);;
val it : bool = true
> c.ContainsKey(8);;
val it : bool = false

> c.Add(8, "d");;
val it : unit = ()

> c.ContainsKey(5);;
val it : bool = false
> c.ContainsKey(6);;
val it : bool = true
> c.ContainsKey(7);;
val it : bool = true
> c.ContainsKey(8);;
val it : bool = true
> c.ContainsKey(7);;
val it : bool = true

> c.Add(9, "e");;
val it : unit = ()

> c.ContainsKey(6);;
val it : bool = false
> c.ContainsKey(7);;
val it : bool = true
> c.ContainsKey(8);;
val it : bool = true
> c.ContainsKey(9);;
val it : bool = true
> c.ContainsKey(7);;
val it : bool = true

> c.Add(10, "f");;                     
val it : unit = ()

> c.ContainsKey(7);;
val it : bool = true
> c.ContainsKey(8);;
val it : bool = false
> c.ContainsKey(9);;
val it : bool = true
> c.ContainsKey(10);;
val it : bool = true