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Postings from October 2015
On Tue, Oct 06, 2015 at 08:57:50PM +0100, Dave Mitchell wrote:
> On Tue, Oct 06, 2015 at 01:39:25PM -0400, Ricardo Signes wrote:
> > * Dave Mitchell <davem@iabyn.com> [2015-10-06T12:03:30]
> > > So for final clarity, is
> > >
> > > when (EXPR) {...}
> > >
> > > intended to always be exactly equal to
> > >
> > > if ($_ =~ EXPR) {...; break }
> >
> > Yes.
> >
> > > If so, how does one write something functionally equivalent to when(1)
> > > now?
> >
> > when { $_ == 1 } { ... }
>
> But by the definition above, that is equivalent to
>
> if ($_ =~ ($_ == 1)) {...; break }
when (FOO) { ... }
becomes
if ( $_ ~~ FOO) { ...; break }
but
when { FOO } { ... } # braces not parentheses
becomes
if ( FOO ) { ...; break }
There's also postfix when { ... }
Tony
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