abstract class $HASH < $IS_EQ
****
Subtypes of this must provide a hash routine. This is the *new* $HASH class and is a subtype of $IS_EQ so that all subtypes must redefine both hash and is_eq. These two routines must work together - is_eq must refer to an immutable equality


Ancestors
$IS_EQ

Descendants
FLTD FSTR INTI CHAR
FLT TUP{_,_,_,_} STR INT
PERM TUP{_,_} $VBAG{_} VBAG{_}
$VSET{_} VSET{_} $VMULTIMAP{_,_} VMULTIMAP{_,_}
$VMAP{_,_} VMAP{_,_}



Public


Features
hash: INT;

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