On Sun, Nov 27, 2005 at 04:36:48PM +1100, Anthony Borla wrote: > According to Section 5.5 of the Oz Docuemntation it is possible to have > identically-named variables at different scopes. Access to the outer-scoped > variable is possible [in certain contexts] via the '!' operator which > 'suppresses' the inner-scoped variable.
That isn't quite right. This is what reads in there: > If we want Y to denote the variable in the outer scope, we have to > suppress the introduction of the inner Y in the L.H.S. of the > initializing equality by using an exclamation mark ! as follows. An > exclamation mark ! is only meaningful in the L.H.S. of an initializing > equality That is, the effect of using ! is to suppress introducing a new variable, not to access any variable from an outer scope. !A will just pick the nearest A it sees, which happens to be the one in the same inner scope in your code. _________________________________________________________________________________ mozart-users mailing list [email protected] http://www.mozart-oz.org/mailman/listinfo/mozart-users
