Oh please. Besides the fact, that CL has a ton of other features which set it apart any of mentioned langs, none of their REPLs are comparable in power. We have

Oh please. Besides the fact, that CL has a ton of other features which set it apart any of mentioned langs, none of their REPLs are comparable in power. We have interactive debuggers built in and a language designed for it. Take this simple example: > (+ 1 "foo") The value "foo" is not of the expected type NUMBER. [Condition of type TYPE-ERROR] Restarts: 0: [USE-VALUE] Use a new value of type NUMBER instead of "foo". ... > 0<RET>41<RET> => 42 >