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Performance Enhancement: compare once instead of twice #5

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Performance Enhancement: compare once instead of twice #5

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5 changes: 3 additions & 2 deletions lib/DateTime/Span.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -74,11 +74,12 @@ sub from_datetimes {
( $end, $open_end ) = ( $args{end}, 0 ) if exists $args{end};
( $end, $open_end ) = ( $args{before}, 1 ) if exists $args{before};

if ( $start > $end ) {
my $cmpres = $start <=> $end;
if ( $cmpres > 0 ) { # $start > $end
die "Span cannot start after the end in DateTime::Span->from_datetimes\n";
}
$set = Set::Infinite::_recurrence->new( $start, $end );
if ( $start != $end ) {
if ( $cmpres != 0 ) { # $start != $end
# remove start, such that we have ">" instead of ">="
$set = $set->complement( $start ) if $open_start;
# remove end, such that we have "<" instead of "<="
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