On Tue, May 19, 2009 at 12:42 PM, Jim Andreou <
jim.andreou@...> wrote:
> I see these two methods on sets:
>
> xs put x : Adds element x to xs and returns whether x was previously
> contained in the set.
> xs remove x : Removes element x from xs and returns whether x was
> previously contained in the set.
>
> The semantics of the return values is the opposite of the analogous
> methods of java.util.Collection#{add, remove}, is this intentional?
> This is bound to create some confusion...
Not true. Remove is the same as for Java. Put is the same as for
Java's map put, if you equate true with "object returned" -- this
equation holds for remove in any case. Put is different from Set.add
in Java, but then their names are different, too.
Cheers
-- Martin
