Jeff King <peff@xxxxxxxx> writes:
> On Tue, Feb 12, 2013 at 03:02:31PM +0100, Michal Nazarewicz wrote:
>
>> sub command_close_bidi_pipe {
>> local $?;
>> my ($self, $pid, $in, $out, $ctx) = _maybe_self(@_);
>> - _cmd_close($ctx, $in, $out);
>> + _cmd_close($ctx, grep defined, $in, $out);
>
> Maybe it is just me, but I find the "grep EXPR" form a little subtle
> inside an argument list. Either:
>
> _cmd_close($ctx, grep { defined } $in, $out);
>
> or
>
> _cmd_close($ctx, grep(defined, $in, $out));
>
> is a little more obvious to me.
I would actually vote for the most explicit:
_cmd_close($ctx, (grep { defined } ($in, $out)));
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