Comments on: F#: Expressing intent and the forward/application operators http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/ Thoughts on Software Development Wed, 08 Sep 2010 21:07:07 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Rick Minerich's Development Wonderland : F# Discoveries This Week 1/05/2010 http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/comment-page-1/#comment-29833 Rick Minerich's Development Wonderland : F# Discoveries This Week 1/05/2010 Tue, 05 Jan 2010 21:10:38 +0000 http://www.markhneedham.com/blog/?p=1987#comment-29833 [...] Mark Needham discusses expressing intent with application operators [...] [...] Mark Needham discusses expressing intent with application operators [...]

]]> By: Mark Needham http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/comment-page-1/#comment-29767 Mark Needham Mon, 04 Jan 2010 21:28:44 +0000 http://www.markhneedham.com/blog/?p=1987#comment-29767 Ah maybe wordpress screwed with it or something. I'm not sure how Planet F# works actually - I don't do anything to have my posts aggregated on there so I'm not really sure why/why not they'd appear. Ah maybe wordpress screwed with it or something.

I'm not sure how Planet F# works actually – I don't do anything to have my posts aggregated on there so I'm not really sure why/why not they'd appear.

]]> By: Frank de Groot http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/comment-page-1/#comment-29766 Frank de Groot Mon, 04 Jan 2010 21:09:48 +0000 http://www.markhneedham.com/blog/?p=1987#comment-29766 Err, yes that's what I meant. Must have fiddled with the editor too much, the code I posted doesn't make any sense. BTW I saw your post on the Feedburner Planet F# list but now it's gone. Is that intended? Err, yes that's what I meant. Must have fiddled with the editor too much, the code I posted doesn't make any sense.

BTW I saw your post on the Feedburner Planet F# list but now it's gone. Is that intended?

]]> By: Mark Needham http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/comment-page-1/#comment-29748 Mark Needham Mon, 04 Jan 2010 15:21:16 +0000 http://www.markhneedham.com/blog/?p=1987#comment-29748 Actually that's a good idea I think that'd work quite well, didn't see that. So like you say we would end up with this: let invalidDigits = Array.filter (fun x -> x < 0) digits raise (ArgumentException (buildExceptionMessage invalidDigits)) Much better I think, thanks! Actually that's a good idea I think that'd work quite well, didn't see that.

So like you say we would end up with this:

let invalidDigits = Array.filter (fun x -> x < 0) digits

raise (ArgumentException (buildExceptionMessage invalidDigits))

Much better I think, thanks!

]]> By: Frank de Groot http://www.markhneedham.com/blog/2010/01/04/f-expressing-intent-and-the-forwardapplication-operators/comment-page-1/#comment-29747 Frank de Groot Mon, 04 Jan 2010 15:15:31 +0000 http://www.markhneedham.com/blog/?p=1987#comment-29747 I'm not quite fluent in F# but I'd say that using both in the same line of code is confusing. And the last expression you suggested is a bit deep. Perhaps it is better to split it up in multiple lines. Maybe something like: let invalidDigits = Array.filter (fun x -> x buildExceptionMessage) Naming the Array.filter clarifies what it represents. Or maybe my brain is just too small. I'm not quite fluent in F# but I'd say that using both in the same line of code is confusing. And the last expression you suggested is a bit deep.
Perhaps it is better to split it up in multiple lines.
Maybe something like:
let invalidDigits = Array.filter (fun x -> x buildExceptionMessage)
Naming the Array.filter clarifies what it represents.
Or maybe my brain is just too small.

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