Developers of Sympa

[Guillaume Rousse <address@concealed>]

Le 03/03/2014 04:04, IKEDA Soji a écrit :
> Hi,
>
> For example someones can prefer to $!, OTOH others $ERRNO or
> $OS_ERROR.
>
> I feel nice to use English names for rarely used variables.
> However, what means "rarely used" may be differ from one another.
>
> So I'll propose as below ---
>
> A) $_ and @_ :
>
>    Use non-English names everytime.
>
>    Never use $ARG and @ARG.
OK for me. Actually, I didn't even realized the had aliases, I'm myself 
biased.

> B) Other variables "mnemonic" of them are described in perlvar(1) :
>
>    May use English names along with non-English names, however, if
>    multiple English names are given, only shortest one may be used.
>
>    e.g. $! and $ERRNO may be used but not $OS_ERROR.
>      Anyone shouldn't blame use of $ERRNO and others shouldn't blame
>      use of $!.
I disagree: why should we allow both forms to coexist ? What would we gain ?

>    Other examples (imcomplete):
>      $" $$ $( $) $0 $; $< $> $& $` $' $+ $, $. $/ $\ $| $! $? $@
>
> C) Others :
>
>    Use English names if any.
>
>    e.g. Use %LAST_MATCH_START but not %-.
Better advice: get rid of it completly, because of performance impact.

>    e.g. We use $^M, because there are no English alternatives.
>
>    e.g. We use $], because some versions of Perl don't have
>      $OLD_PERL_VERSION.
--
Guillaume Rousse
INRIA, Direction des systèmes d'information
Domaine de Voluceau
Rocquencourt - BP 105
78153 Le Chesnay
Tel: 01 39 63 58 31

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