[Wellington-pm] Side effects

[Cliff Pratt]

michael at diaspora.gen.nz wrote:
> Cliff Pratt writes:
> 
>> my $v = "123456789ABC" ; my $v1 = "7" ;
>> 
>> print "|" . eval { $v =~ s/$v1// ; return $v } . "|\n" ;
> 
> 
>> After trying various things I got the line of code I printed at the
>>  beginning. Is this the best way of doing it?  It seems pretty OK
>> to me!
> 
> 
> What's wrong with two separate statements?
> 
> $v =~ s/$v1//; print "|$v|\n";
> 
> I'd get confused as a maintenance programmer as to why the
> substitution had to be done in the middle of the print statement. --
> michael.
> 
I don't know. It sort of seemed tidier to "set-it-and-use-it" rather 
than "set it" and "use it".

Seeing as the two replies I received said roughly the same, I've dropped 
back to "set it" and "use it"!

Cheers,

Cliff

-- 

http://barzoomian.blogspot.com