Unique identification for an object
Objects of type
ObjAt are the return value of
.WHICH calls on other objects, and identify an object uniquely.
If two objects compare equally via
.WHICH methods return the same ObjAt object.
See also ValueObjAt for value types.
multi sub infix:<eqv>(ObjAt , ObjAt )
Returns True if the two ObjAt are the same, that is, if the object they identify is the same.
my = [2,3,1];my := ;say .WHICH eqv .WHICH; # OUTPUT: «True␤»