public static IProjectionDescription CreateStructFunction(Delegate selector)
{
Guard.NotNull(selector, nameof(selector));
var invocationList = selector.GetInvocationList();
if (invocationList.Length != 1)
{
throw new ArgumentException($"Delegate {selector.ToString()} must point to a single method.");
}
selector = invocationList[0];
if (selector.Method.ReturnType == typeof(void))
{
throw new ArgumentException($"Delegate {selector.ToString()} must return a type other than System.Void.");
}
Type structSelectorType = selectorDictionary[selector.Method];
return((IProjectionDescription)CodeGenerationContext.CreateStructProxyInstance(structSelectorType, selector));
}
public static IProjection <TSource, TResult> CreateStructFunction <TSource, TResult>(Func <TSource, TResult> selector)
{
return((IProjection <TSource, TResult>)CodeGenerationContext.CreateStructFunction((Delegate)selector));
}
