package Math::Int64::native_if_available;
sub import {
if (Math::Int64::_backend() eq 'IV' and $] >= 5.008) {
Math::Int64::_set_may_use_native(1);
$^H{Math::Int64::native_if_available} = 1;
}
}
sub unimport {
undef $^H{Math::Int64::native_if_available};
}
1;