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AK: Let Result<T, E> know its Value and Error types

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It's much easier to ask for T::ValueType than for
RemoveReference<decltype(declval<T>().release_value())>
This commit is contained in:
Ali Mohammad Pur 2021-04-27 16:16:44 +04:30 committed by Andreas Kling
parent 62af7c4bdf
commit 56a6d7924e
Notes: sideshowbarker 2024-07-18 18:29:26 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/56a6d7924ee
Pull-request: https://github.com/SerenityOS/serenity/pull/6881
Reviewed-by: https://github.com/ADKaster
1 changed files with 9 additions and 3 deletions
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12
AK/Result.h
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@ -11,9 +11,12 @@
namespace AK { namespace AK {
template<typename ValueType, typename ErrorType> template<typename ValueT, typename ErrorT>
class [[nodiscard]] Result { class [[nodiscard]] Result {
public: public:
using ValueType = ValueT;
using ErrorType = ErrorT;
Result(const ValueType& res) Result(const ValueType& res)
: m_result(res) : m_result(res)
{ {
@ -69,9 +72,12 @@ private:
}; };
// Partial specialization for void value type // Partial specialization for void value type
template<typename ErrorType> template<typename ErrorT>
class [[nodiscard]] Result<void, ErrorType> { class [[nodiscard]] Result<void, ErrorT> {
public: public:
using ValueType = void;
using ErrorType = ErrorT;
Result(const ErrorType& error) Result(const ErrorType& error)
: m_error(error) : m_error(error)
{ {