53 #endif // vcsl_angle_h_
vcsl_unit_sptr standard_unit() const override
Return the standard unit associated to the dimension.
bool compatible_unit(vcsl_unit_sptr const &new_unit) const override
Is ‘new_unit’ a compatible unit for the dimension ?.
~vcsl_angle() override=default
static vcsl_angle_sptr instance()
Return the reference to the unique vcsl_angle object.