Hi,
On 03/04/2013 17:00, Steve Cookson wrote:
Question 1: Does it really need two "use strict"s, clearly you can never
have enough, but doesn't the first one have a greater scope than the
second is not necessary.
I imagine in is just template code for a package that gets you the extra
strict.
Question 2: on "use Wx", again, doesn't the first "use Wx" just cause a
crash if you have wxWidgets less than 0.15, which is unlikely these
days, but "use Wx qw[:everything];" should be enough?
It's a wiki entry:
http://wiki.wxperl.nl/WxEXPORTS
Also,
use Wx qw[ :everything ];
imports everything into the current namespace - which in your wxGlade
example is 'package appointments'.
Let's imagine for a moment that instead of use Wx qw[ :allclasses]; at
the top of the script it had use Wx qw[ :everything ]; there too.
Consider the exported constant wxBORDER_NONE.
You would have two instances of this:
main::wxBORDER_NONE
appointments::wxBORDER_NONE
and which, if any, got used when your code contained the bare
wxBORDER_NONE would depend on package scope.
So in default package main, main::wxBORDER_NONE would get used, in
package appointments, appointments::wxBORDER_NONE would get used.
Anywhere else, bare wxBORDER_NONE is an error.
Cheers
Mark
