public static bool DuckIs <T>(this object instance)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
return(DuckType.CanCreate <T>(instance));
}
public static bool DuckIs(this object instance, Type targetType)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
if (targetType != null)
{
return(DuckType.CanCreate(targetType, instance));
}
return(false);
}
public static bool DuckIs <T>(this object instance)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
if (DuckType.CreateCache <T> .IsVisible)
{
return(DuckType.CanCreate <T>(instance));
}
return(false);
}
public static object DuckAs(this object instance, Type targetType)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
if (targetType != null)
{
DuckType.CreateTypeResult proxyResult = DuckType.GetOrCreateProxyType(targetType, instance.GetType());
if (proxyResult.Success)
{
return(proxyResult.CreateInstance(instance));
}
}
return(null);
}
public static bool TryDuckCast(this object instance, Type targetType, out object value)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
if (targetType != null)
{
DuckType.CreateTypeResult proxyResult = DuckType.GetOrCreateProxyType(targetType, instance.GetType());
if (proxyResult.Success)
{
value = proxyResult.CreateInstance(instance);
return(true);
}
}
value = default;
return(false);
}
public static bool TryDuckImplement(this object?instance, Type?typeToDeriveFrom, [NotNullWhen(true)] out object?value)
{
if (instance is null)
{
DuckTypeTargetObjectInstanceIsNull.Throw();
}
if (typeToDeriveFrom != null)
{
DuckType.CreateTypeResult proxyResult = DuckType.GetOrCreateReverseProxyType(typeToDeriveFrom, instance.GetType());
if (proxyResult.Success)
{
value = proxyResult.CreateInstance(instance);
return(true);
}
}
value = default;
return(false);
}
/// <summary> /// Gets the duck type instance for the object implementing a base class or interface T /// </summary> /// <param name="instance">Object instance</param> /// <param name="targetType">Target type</param> /// <returns>DuckType instance</returns> public static object As(this object instance, Type targetType) => DuckType.Create(targetType, instance);
/// <summary> /// Gets the duck type instance for the object implementing a base class or interface T /// </summary> /// <param name="instance">Object instance</param> /// <typeparam name="T">Target type</typeparam> /// <returns>DuckType instance</returns> public static T As <T>(this object instance) => DuckType.Create <T>(instance);
public static object DuckImplement(this object instance, Type typeToDeriveFrom) => DuckType.CreateReverse(typeToDeriveFrom, instance);
public static T?DuckCast <T>(this object?instance) => DuckType.Create <T>(instance);