[Mono-list] Can this linq be optimised?

[Ian Norton]

can you give us some example strings?


On 5 June 2013 00:32, Paul Johnson <paul at all-the-johnsons.co.uk> wrote:

> Hi,
>
> I have a class containing ints, strings and anything else you'd expect to
> find in a class. I create a list of the class and then extract the strings
> and perform a Distinct() on them. That bit is easy.
>
> Problem is this - the strings all have something in brackets. Sometimes
> the braces have a space on the inside before and after the single word
> inside of them and sometimes they don't.
>
> My LINQ query looks like this
>
>  List<string> tmp = (from m in cropTypes
>                                   let cw = m.CropName
>                                   let kw = cw.Substring(0,
> cw.LastIndexOf(")") + 1)
>                                 let t = kw.IndexOf('(')
>                                 let p1 = kw.Substring(0, t)
>                                 let p2 = kw.Substring(t, (kw.Length - 1) -
> t + 1).Replace(" ", string.Empty)
>                                 let p3 = p1 + p2
>                                   select p3).Distinct().ToList();
>
> This query works fine but looks inefficient. Is there a way to rewrite
> this to remove any spaces inside of the braces?
>
> Thanks
>
> Paul
> --
> "Space," it says, "is big. Really big. You just won't believe how vastly,
> hugely, mindbogglingly big it is. I mean, you may think it's a long way
> down the road to the chemist's, but that's just peanuts to space, listen..."
> Hitch Hikers Guide to the Galaxy, a truly remarkable book!
>
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