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Home/ Questions/Q 503895
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T06:26:27+00:00 2026-05-13T06:26:27+00:00

I am porting over some old F# code from CTP 1.9.6.8 The code uses

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I am porting over some old F# code from CTP 1.9.6.8

The code uses List.first:

List.first (fun x -> if x.Date = d then Some(x) else None)

List.first has been deprecated. What is the current method used to achieve the same functionality.

I have reviewed the release notes and could not find any specific reference to the change.

Any help would be greatly appreciated.

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  1. Editorial Team
    Editorial Team
    2026-05-13T06:26:27+00:00Added an answer on May 13, 2026 at 6:26 am

    Try List.pick

    List.pick (fun x -> if x.Date = d then Some(x) else None)
    
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