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Downcasting facility refactoring

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Mateusz Pusz committed 2019-11-02 13:54:43 +01:00
1 parent 219af8e173
commit 2bde0e62b2
9 files changed
+58 -47
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src/include/units/unit.h
+5 -5
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@@ -63,7 +63,7 @@ namespace units {
}
template<typename Child, typename PrefixType, Ratio R, basic_fixed_string Symbol>
struct prefix : downcast_helper<Child, detail::prefix_base<PrefixType, R>> {
struct prefix : downcast_child<Child, detail::prefix_base<PrefixType, R>> {
static constexpr auto symbol = Symbol;
};
@@ -150,25 +150,25 @@ namespace units {
struct no_prefix;
template<typename Child, basic_fixed_string Symbol, Dimension D, typename PrefixType = no_prefix>
struct coherent_derived_unit : downcast_helper<Child, unit<D, ratio<1>>> {
struct coherent_derived_unit : downcast_child<Child, unit<D, ratio<1>>> {
static constexpr auto symbol = Symbol;
using prefix_type = PrefixType;
};
template<typename Child, basic_fixed_string Symbol, Dimension D, Ratio R>
struct derived_unit : downcast_helper<Child, unit<D, R>> {
struct derived_unit : downcast_child<Child, unit<D, R>> {
static constexpr auto symbol = Symbol;
};
template<typename Child, Prefix P, Unit U>
requires requires { U::symbol; }
struct prefixed_derived_unit : downcast_helper<Child, unit<typename U::dimension, ratio_multiply<typename P::ratio, typename U::ratio>>> {
struct prefixed_derived_unit : downcast_child<Child, unit<typename U::dimension, ratio_multiply<typename P::ratio, typename U::ratio>>> {
static constexpr auto symbol = P::symbol + U::symbol;
using prefix_type = P::prefix_type;
};
template<typename Child, basic_fixed_string Symbol, Dimension D, Unit U, Unit... Us>
struct deduced_derived_unit : downcast_helper<Child, detail::make_derived_unit<D, U, Us...>> {
struct deduced_derived_unit : downcast_child<Child, detail::make_derived_unit<D, U, Us...>> {
static constexpr auto symbol = Symbol;
};