/// <summary>
/// Gets or create a new proxy type for ducktyping
/// </summary>
/// <param name="proxyType">ProxyType interface</param>
/// <param name="targetType">Target type</param>
/// <returns>CreateTypeResult instance</returns>
public static CreateTypeResult GetOrCreateProxyType(Type proxyType, Type targetType)
{
return(DuckTypeCache.GetOrAdd(
new TypesTuple(proxyType, targetType),
key => new Lazy <CreateTypeResult>(() => CreateProxyType(key.ProxyDefinitionType, key.TargetType)))
.Value);
}
/// <summary>
/// Get or creates a proxy type implementing the interface type to access the given instance type
/// </summary>
/// <param name="duckType">Duck type</param>
/// <param name="instanceType">Instance type</param>
/// <returns>Proxy type</returns>
private static Type GetOrCreateProxyType(Type duckType, Type instanceType)
=> DuckTypeCache.GetOrAdd(new VTuple <Type, Type>(duckType, instanceType),
types => CreateProxyType(types.Item1, types.Item2));