On Sat, May 10, 2008 at 09:51:26PM -0400, Brandon S. Allbery KF8NH wrote: > > On 2008 May 10, at 21:46, John M. Dlugosz wrote: > >> In S06, what is the difference between "is ref" and "is rw"? The text >> says that the rw may be converted to an lvalue, and that ref must already >> be. But what is that supposed to mean? > > > At a guess, "is rw" makes a parameter variable into a local read/write > variable initialized with the parameter value. Changes to it are not > reflected in the caller.
That would be "is copy" Larry
