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Postings from October 2015
On Wed, Oct 07, 2015 at 07:07:53PM +0200, Lukas Mai wrote:
> Am 07.10.2015 um 10:24 schrieb Dave Mitchell:
> >
> >What I think we should do:
> >
> >1. Get rid of the ~~ operator altogether, plus '~~' overloading.
> >
> >2. Make when's behaviour entirely dependent on the *compile-time* class
> >of of its arg. In particular, make 'when (FOO)' have exactly the following
> >behaviours:
> >
> > FOO condition evaluates to
> > -------------- ----------------------
> > literal undef !defined($_)
> > numeric const $_ == FOO
> > literal pattern $_ ~= FOO
> > all else $_ eq FOO
> >
> >3. when { FOO } has condition FOO.
>
> (You typo'd =~ as ~= above)
Oh yeah :-(
> This would mean 'when (qr/.../)' becomes 'when { $_ eq qr/.../ }'.
Good point. So a literal qr// will have to be accepted as well as a
literal //, perhaps along with a warning that "given(qr/.../) better
written as given(/.../)" ?
--
A walk of a thousand miles begins with a single step...
then continues for another 1,999,999 or so.
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