public static SubFlow<TOut, TMat, TClosed> Log<TOut, TMat, TClosed>(
	this SubFlow<TOut, TMat, TClosed> flow,
	string name,
	Func<TOut, Object> extract = null,
	ILoggingAdapter log = null
)

[<ExtensionAttribute>]
static member Log : 
        flow : SubFlow<'TOut, 'TMat, 'TClosed> * 
        name : string * 
        ?extract : Func<'TOut, Object> * 
        ?log : ILoggingAdapter 
(* Defaults:
        let _extract = defaultArg extract null
        let _log = defaultArg log null
*)
-> SubFlow<'TOut, 'TMat, 'TClosed>