Front page | perl.perl5.porters |
Postings from June 2008
Quoth mark@mark.mielke.cc (Mark Mielke):
>
> Another common bit of code that I've written is:
>
> sub foo
> {
> my($this) = @_;
> exists($this->{'foo'}) ? $this->{'foo'} : do {
> ... expensive calculations ...
> $this->{'foo'} = ...;
> };
> }
>
> This introduces the other statement that is frequently used to return
> the last value without a return - do{}. The above code is not
> significantly improved by adding return anywhere.
I disagree. IMHO
sub foo {
my ($this) = @_;
exists $this->{foo} and return $this->{foo};
...expensive calculations...
return $this->{foo} = ...;
}
is clearer in at least two important ways.
Ben
--
We do not stop playing because we grow old;
we grow old because we stop playing.
ben@morrow.me.uk
Thread Previous
|
Thread Next