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DedSec256
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May 17, 2022
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| if (directory |> Seq.filter (fun (_, b) -> b = number) |> Seq.length) > 0 | ||
| then directory |
| else Seq.append directory (seq {(name, number)}) | ||
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| let findPhone directory name = | ||
| directory |> Seq.filter (fun (nameInDirectory, number) -> nameInDirectory = name) |> Seq.map (fun (_, number) -> number) |
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Suggested change
| directory |> Seq.filter (fun (nameInDirectory, number) -> nameInDirectory = name) |> Seq.map (fun (_, number) -> number) | |
| directory |> Seq.filter (fun (nameInDirectory, number) -> nameInDirectory = name) |> Seq.map snd |
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| let names = directory |> Seq.filter (fun (name, number) -> number = phone) |> Seq.map (fun (name, _) -> name) | ||
| if Seq.length names = 0 then | ||
| None | ||
| else | ||
| Some(Seq.head names) |
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Suggested change
| let names = directory |> Seq.filter (fun (name, number) -> number = phone) |> Seq.map (fun (name, _) -> name) | |
| if Seq.length names = 0 then | |
| None | |
| else | |
| Some(Seq.head names) | |
| directory |> Seq.tryFind (fun (name, number) -> number = phone) |> Option.map fst |
DedSec256
reviewed
May 17, 2022
| open Microsoft.FSharp.Core | ||
| open Microsoft.FSharp.Data.UnitSystems.SI.UnitNames | ||
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| let addRecord directory name number = |
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ну и было бы неплохо как-то обозначать ситуацию, когда запись уже существует
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