(* calc6.ml, enhanced with Aliases and Passing by Reference *)
type term =
- Intconstant of int
- | Multiplication of (term * term)
- | Addition of (term * term)
- | Variable of char
- | Let of (char * term * term)
- | Iszero of term
- | If of (term * term * term)
- | Makepair of (term * term)
- | First of term
- | Lambda of (char * term)
- | Apply of (term * term)
- | Letrec of (char * term * term)
- | Change of (char * term * term)
- | Alias of (char * char * term)
- | Applyalias of (term * char)
- ;;
+ Intconstant of int
+ | Multiplication of (term * term)
+ | Addition of (term * term)
+ | Variable of char
+ | Let of (char * term * term)
+ | Iszero of term
+ | If of (term * term * term)
+ | Makepair of (term * term)
+ | First of term
+ | Lambda of (char * term)
+ | Apply of (term * term)
+ | Letrec of (char * term * term)
+ | Change of (char * term * term)
+ | Alias of (char * char * term)
+ | Applyalias of (term * char)
+ ;;
type index = int;;