[sr-dev] another syntax error

[Andrei Pelinescu-Onciul]

On Jun 01, 2009 at 18:56, Juha Heinanen <jh at tutpro.com> wrote:
> Andrei Pelinescu-Onciul writes:
> 
>  > No, there are very minor differences:
>  > 
>  > !defined $fU  fastest
> 
> ok, please change the syntax.

If you mean defined ($fU), instead of defined $fU, I prefer defined $fU
 (is more perl-like) and defined ($fU) or defined($fU) works anyway.
> 
>  > $fU == "" - extra string conversion
> 
> this i don't understand.  if i assign $something = "", then $something
> is defined and test defined $something should return true.

== is for comparisons not for assignment. If I compare an undefined
value with "" in most languages is true.
> 
>  > $fU == $null slowest (has to go through a pv call and string or integer
>  >                       conversion)

Andrei