internal Type GetInstanceTypeBasedOnTargetGenericConstrains(Type targetType)
{
var registeredGenericTypeParameters = new Type[_registeredGenericTypeParameters.Length];
Array.Copy(_registeredGenericTypeParameters, registeredGenericTypeParameters, _registeredGenericTypeParameters.Length);
var resolvingTypeDescriptor = targetType.Descriptor();
var resolvingTypeDefinitionDescriptor = resolvingTypeDescriptor.GetGenericTypeDefinition().Descriptor();
var resolvingTypeDefinitionGenericTypeParameters = resolvingTypeDefinitionDescriptor.GetGenericTypeParameters();
var constraintsMap = resolvingTypeDescriptor
.GetGenericTypeArguments()
.Zip(resolvingTypeDefinitionGenericTypeParameters, (type, typeDefinition) => Tuple.Create(type, typeDefinition.Descriptor().GetGenericParameterConstraints()))
.ToArray();
var canBeResolved = true;
foreach (var item in _genericParamsWithConstraints)
{
var position = item.Key;
var descriptor = item.Value;
var constraints = descriptor.GetGenericParameterConstraints();
var isDefined = false;
foreach (var constraintsEntry in constraintsMap)
{
if (!CoreExtensions.SequenceEqual(constraints, constraintsEntry.Item2))
{
continue;
}
registeredGenericTypeParameters[position] = constraintsEntry.Item1;
isDefined = true;
break;
}
if (!isDefined)
{
canBeResolved = false;
break;
}
}
return(canBeResolved ? _registeredTypeDescriptor.MakeGenericType(registeredGenericTypeParameters) : null);
}
// ReSharper disable once PossibleNullReferenceException public override bool Equals(object obj) => CoreExtensions.SequenceEqual(_genericTypes, ((LifetimeKey)obj)._genericTypes);
public bool Equals(LifetimeKey other) => CoreExtensions.SequenceEqual(_genericTypes, other._genericTypes);