internal static Type EnsureGenericRuntimeType(Type p)
{
Type t = EnsureBoxedType(p);
if (t != p)
{
return(t);
}
return(NullableReflection.GetUnderlyingTypeForMarked(p)
?? GenericInstanceFactory.GetGenericTypeDefinition(p)
?? p);
}
/// <summary>
/// Create an instance of the given type using the best matching constructor.
/// </summary>
public static object CreateInstance(Type type, params object[] args)
{
if (NullableReflection.TreatAsSystemNullableT(type))
{
return(null);
}
var genericInstance = GenericInstanceFactory.CreateGenericInstance(type, args);
if (genericInstance != null)
{
return(genericInstance);
}
var constructor = GetBestMatchingConstructor(type, args);
return(constructor.NewInstance(args));
}
/// <summary>
/// Create an instance of the given type using it's default constructor.
/// </summary>
public static object CreateInstance(Type type)
{
if (NullableReflection.TreatAsSystemNullableT(type))
{
return(null);
}
var genericInstance = GenericInstanceFactory.CreateGenericInstance(type);
if (genericInstance != null)
{
return(genericInstance);
}
if (type.IsPrimitive)
{
return(TypeHelper.GetPrimitiveDefault(type));
}
return(type.NewInstance());
}
/// <summary>
/// Create an instance of the given type T using it's default constructor.
/// </summary>
public static T CreateInstance <T>()
{
var type = typeof(T);
if (NullableReflection.TreatAsSystemNullableT(type))
{
return(default(T));
}
var genericInstance = GenericInstanceFactory.CreateGenericInstance(type);
if (genericInstance != null)
{
return((T)genericInstance);
}
if (type.IsPrimitive)
{
return((T)TypeHelper.GetPrimitiveDefault(type));
}
return((T)type.NewInstance());
}
public static Type GetUnderlyingType(Type nullableType)
{
return(NullableReflection.GetUnderlyingType(nullableType));
}