thread: remove rootset accessor method

It doesn't buy us much and copying to a new array is slower;
but probably not measurable in real-world use.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 748e3910..7554d54f 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -259,7 +259,7 @@ sub _th_index_lite {
 
 sub walk_thread {
         my ($th, $ctx, $cb) = @_;
-        my @q = map { (0, $_) } $th->rootset;
+        my @q = map { (0, $_) } @{$th->{rootset}};
         while (@q) {
                 my $level = shift @q;
                 my $node = shift @q or next;
@@ -291,7 +291,7 @@ sub stream_thread ($$) {
         my ($th, $ctx) = @_;
         my $inbox = $ctx->{-inbox};
         my $mime;
-        my @q = map { (0, $_) } $th->rootset;
+        my @q = map { (0, $_) } @{$th->{rootset}};
         my $level;
         while (@q) {
                 $level = shift @q;