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added some comments in Data::MessagePack::PP

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makamaka
2010-09-03 12:53:56 +09:00
parent f91728561f
commit b97baf4d47
1 changed files with 3 additions and 0 deletions
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3
perl/lib/Data/MessagePack/PP.pm
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@@ -22,7 +22,10 @@ use B ();
BEGIN {
# for pack and unpack compatibility
if ( $] < 5.010 ) {
# require $Config{byteorder}; my $bo_is_le = ( $Config{byteorder} =~ /^1234/ );
# which better?
my $bo_is_le = unpack ( 'd', "\x00\x00\x00\x00\x00\x00\xf0\x3f") == 1; # 1.0LE
# In really, since 5.9.2 '>' is introduced.
*pack_double = $bo_is_le ? sub {
my @v = unpack( 'V2', pack( 'd', $_[0] ) );
return pack 'CN2', 0xcb, @v[1,0];