MooseX::Clone::Meta::Attribute::Trait::NoClone - A trait for attrs that should not be copied while cloning.
with qw(MooseX::Clone); has _some_special_thingy => ( traits => [qw(NoClone)], );
Sometimes certain values should not be carried over when cloning an object.
This attribute trait implements just that.
init_arg param is set (that means an explicit value was given to
clone) sets the attribute to that value.