Re: multiple local definitions in the same scope

["Aaron Brown" <arundelo@...>]

Thomas Lauer wrote:

> "Mark Edgar" <medgar123@gmail.com> wrote:
> > A block is not a scope -- there is no scope expect where
> > there is a (local) variable to have one.  The only way
> > for multiple definitions to have the same scope is that
> > they are declared in the same statement (or parameter
> > list).
>
> Perhaps I misunderstand you but I think that's not the
> case.

> local i,j,k,dmz,x,y,z=1,2,3,0,4,5,6

> local dmz=7

The two definitions of dmz have different scopes, with the
second one shadowing the first in the area of overlap.

Incidentally, if I remember correctly the priority of
same-named variables in a local statement or parameter list:

> local a, a, a = "left", "middle", "right"; print(a)
right

is undefined by the reference manual, although it is
predictable in practice.

> Having two parameters with the same name is almost 100% an
> error

True, though perhaps not in automatically generated code.

--
Aaron

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