internal static Func <T, int> LoadGetHashCodeDelegate <T>(bool isValueType, bool isObject, StructuralEqualityComparer structuralEqualityComparer)
{
if (isValueType)
{
return((value) => EqualityComparer <T> .Default.GetHashCode(value));
}
if (isObject)
{
return((value) => IsValueType(value) ?
EqualityComparer <T> .Default.GetHashCode(value) :
(value == null ? 0 : structuralEqualityComparer.GetHashCode(value)));
}
else
{
return((value) => value == null ? 0 : structuralEqualityComparer.GetHashCode(value));
}
}
internal static Func <T, T, bool> LoadEqualsDelegate <T>(bool isValueType, bool isObject, StructuralEqualityComparer structuralEqualityComparer)
{
if (isValueType)
{
return((valueA, valueB) => EqualityComparer <T> .Default.Equals(valueA, valueB));
}
else if (isObject)
{
return((valueA, valueB) => IsValueType(valueA) || IsValueType(valueB) ?
EqualityComparer <T> .Default.Equals(valueA, valueB) :
(valueA == null ? valueB == null : structuralEqualityComparer.Equals(valueA, valueB)));
}
else // Reference type
{
return((valueA, valueB) => valueA == null ? valueB == null : structuralEqualityComparer.Equals(valueA, valueB));
}
}
internal static Func <T, int> LoadGetHashCodeDelegate <T>(bool isValueType, bool isObject, StructuralEqualityComparer structuralEqualityComparer)
{
if (isValueType)
{
return((value) => EqualityComparer <T> .Default.GetHashCode(value !)); // J2N TODO: Note that value can be null here, need to investigate how to override the interface
}
if (isObject)
{
return((value) => IsValueType(value) ?
EqualityComparer <T> .Default.GetHashCode(value !) : // J2N TODO: Note that value can be null here, need to investigate how to override the interface
(value == null ? 0 : structuralEqualityComparer.GetHashCode(value)));
}
else
{
return((value) => value == null ? 0 : structuralEqualityComparer.GetHashCode(value));
}
}
