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Create an array of tuples.
f#

<link rel="File-List" href="file:///C:%5CUsers%5CADMINI%7E1%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_filelist.xml"><link rel="themeData" href="file:///C:%5CUsers%5CADMINI%7E1%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_themedata.thmx">Hello:I want to create an array of 10 tuples (or other number of tuples), like this:
let arrTuples = [|(0, 0.0); (0, 0.0); (0, 0.0); (0, 0.0); (0,

0.0); (0, 0.0); (0, 0.0); (0, 0.0); (0, 0.0); (0, 0.0)|]

But I don’t want to define it by hand.

Is there any way I can do it with function?

I want to use Array2D.zeroCreate, but it can not create

array of tuples which each element inside tuple has different data type.

Please show me the code.

Thanks!

.
1

let arr = [| for i in 1.. 10 -> 0, 0.0|]
By on 1/3/2010 12:11 PM ()

A snippet says more than 1 kword:

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//code below inits the aray with nulls, which may not be what you want
let (arrTuples:(int*float)[]) = Array.zeroCreate 42


//To properly initialize an array, use init
let arrTuples2 = Array.init 42 (fun _ -> (0,0.0)) //wildcard _ means "I don't care about the index"
By on 1/3/2010 4:53 AM ()

Hello, cfern:
Thank you very much for your code, it works.
By the way, it is not easy to know that "_" can stand for don't care about index.
Thanks and Happy New Year to you!

By on 1/3/2010 10:16 AM ()

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