BEGIN {
# We'd like to do use constant _CAN_PCS => $] > 5.009002
# but that's a bit tricky before we load the constant module :-)
- # By doing this, we save 1 run time check for *every* call to import.
+ # By doing this, we save several run time checks for *every* call
+ # to import.
my $const = $] > 5.009002;
my $downgrade = $] < 5.015004; # && $] >= 5.008
my $constarray = exists &_make_const;