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Nullable sfinae fix

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This commit is contained in:
Mateusz Karbowiak
2024-10-07 03:11:50 +02:00
parent 44dad402f6
commit 541ca67a06
1 changed files with 6 additions and 11 deletions
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17
Source/Engine/Core/Types/Nullable.h
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@@ -35,11 +35,6 @@ private:
}
}
/// <summary>
/// <c>true</c> if the wrapped type is copy constructible.
/// </summary>
constexpr static bool IsCopyConstructible = TIsCopyConstructible<T>::Value;
public:
/// <summary>
/// Initializes <see cref="Nullable{T}"/> by setting the wrapped value to null.
@@ -60,7 +55,7 @@ public:
/// Initializes <see cref="Nullable{T}"/> by copying the wrapped value.
/// </summary>
/// <NullableBase name="value">The initial wrapped value to be copied.</param>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
Nullable(const T& value)
: _value(value)
, _hasValue(true)
@@ -81,7 +76,7 @@ public:
/// Initializes <see cref="Nullable{T}"/> by copying another <see cref="Nullable{T}"/>.
/// </summary>
/// <param name="other">The wrapped value to be copied.</param>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
Nullable(const Nullable& other)
: _value(other._value)
, _hasValue(other._hasValue)
@@ -106,7 +101,7 @@ public:
/// <summary>
/// Reassigns the wrapped value by copying.
/// </summary>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
auto operator=(const T& value) -> Nullable&
{
KillOld();
@@ -133,7 +128,7 @@ public:
/// <summary>
/// Reassigns the wrapped value by copying another <see cref="Nullable{T}"/>.
/// </summary>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
auto operator=(const Nullable& other) -> Nullable&
{
KillOld();
@@ -222,7 +217,7 @@ public:
/// Sets the wrapped value by copying.
/// </summary>
/// <param name="value">The value to be copied.</param>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
FORCE_INLINE void SetValue(const T& value)
{
if (_hasValue)
@@ -250,7 +245,7 @@ public:
/// If the wrapped value is not valid, sets it by copying. Otherwise, does nothing.
/// </summary>
/// <returns>True if the wrapped value was changed, otherwise false.</returns>
template<typename U = T, typename = typename TEnableIf<IsCopyConstructible>::Type>
template<typename U = T, typename = typename TEnableIf<TIsCopyConstructible<U>::Value>::Type>
FORCE_INLINE bool TrySet(const T& value)
{
if (_hasValue)