RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-14 09:24:57 +00:00
Code Issues Activity Actions

AK: Add optional explicit cast to underlying type to DistinctNumeric

Browse source
This commit is contained in:
Sam Atkins 2022-11-10 16:20:07 +00:00 • committed by Ali Mohammad Pur
parent c33eae24f9
commit cf046dbfdb
2 changed files with 31 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
AK/DistinctNumeric.h
View file

@ -51,6 +51,7 @@ namespace AK {
namespace DistinctNumericFeature {
enum Arithmetic {};
enum CastToBool {};
enum CastToUnderlying {};
enum Comparison {};
enum Flags {};
enum Increment {};
@ -73,6 +74,7 @@ class DistinctNumeric {
constexpr void set(DistinctNumericFeature::Arithmetic const&) { arithmetic = true; }
constexpr void set(DistinctNumericFeature::CastToBool const&) { cast_to_bool = true; }
constexpr void set(DistinctNumericFeature::CastToUnderlying const&) { cast_to_underlying = true; }
constexpr void set(DistinctNumericFeature::Comparison const&) { comparisons = true; }
constexpr void set(DistinctNumericFeature::Flags const&) { flags = true; }
constexpr void set(DistinctNumericFeature::Increment const&) { increment = true; }
@ -80,6 +82,7 @@ class DistinctNumeric {
bool arithmetic { false };
bool cast_to_bool { false };
bool cast_to_underlying { false };
bool comparisons { false };
bool flags { false };
bool increment { false };
@ -105,6 +108,13 @@ public:
return this->m_value == other.m_value;
}
// Only implemented when `CastToUnderlying` is true:
constexpr explicit operator T() const
{
static_assert(options.cast_to_underlying, "Cast to underlying type is only available for DistinctNumeric types with 'CastToUnderlying'.");
return value();
}
// Only implemented when `Increment` is true:
constexpr Self& operator++()
{
@ -316,6 +326,7 @@ struct Formatter<DistinctNumeric<T, X, Opts...>> : Formatter<T> {
struct NAME##_decl { \
using Arithmetic [[maybe_unused]] = AK::DistinctNumericFeature::Arithmetic; \
using CastToBool [[maybe_unused]] = AK::DistinctNumericFeature::CastToBool; \
using CastToUnderlying [[maybe_unused]] = AK::DistinctNumericFeature::CastToUnderlying; \
using Comparison [[maybe_unused]] = AK::DistinctNumericFeature::Comparison; \
using Flags [[maybe_unused]] = AK::DistinctNumericFeature::Flags; \
using Increment [[maybe_unused]] = AK::DistinctNumericFeature::Increment; \