From: Eric Wong <e@yhbt.net>
To: meta@public-inbox.org
Subject: [PATCH 2/6] nntp: simplify setting X-Alt-Message-ID
Date: Thu, 23 Jan 2020 23:05:55 +0000 [thread overview]
Message-ID: <20200123230559.16781-3-e@yhbt.net> (raw)
In-Reply-To: <20200123230559.16781-1-e@yhbt.net>
We can cut down on the number of operations required
using "grep" instead of "foreach".
---
lib/PublicInbox/NNTP.pm | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 35729f00..12f74c3d 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -423,10 +423,7 @@ sub set_nntp_headers ($$$$$) {
$hdr->header_set('Message-ID', $mid0);
my @alt = $hdr->header('X-Alt-Message-ID');
my %seen = map { $_ => 1 } (@alt, $mid0);
- foreach my $m (@mids) {
- next if $seen{$m}++;
- push @alt, $m;
- }
+ push(@alt, grep { !$seen{$_}++ } @mids);
$hdr->header_set('X-Alt-Message-ID', @alt);
}
next prev parent reply other threads:[~2020-01-23 23:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-23 23:05 [PATCH 0/6] shorten and simplify uniq logic Eric Wong
2020-01-23 23:05 ` [PATCH 1/6] contentid: use map to generate %seen for Message-Ids Eric Wong
2020-01-23 23:05 ` Eric Wong [this message]
2020-01-23 23:05 ` [PATCH 3/6] inbox: simplify filtering for duplicate NNTP URLs Eric Wong
2020-01-23 23:05 ` [PATCH 4/6] mid: shorten uniq_mids logic Eric Wong
2020-01-23 23:05 ` [PATCH 5/6] wwwstream: shorten cloneurl uniquification Eric Wong
2020-01-23 23:05 ` [PATCH 6/6] contentid: ignore duplicate References: headers Eric Wong
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