Phonebook #6
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Phonebook #6
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DedSec256
approved these changes
May 17, 2022
| let addTest () = | ||
| let book = addPhone "Oleg" "12345" book | ||
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| book |> should contain {Name = "Oleg"; Phone = "12345"} |
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здесь было бы лучше проверить весь справочник. Вдруг addPhone перетирает остальные записи?
Phonebook/Phonebook/Program.fs
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| let command = getCommand () | ||
| match command with | ||
| | "0" -> () | ||
| | "1" -> addPhone (getName ()) (getPhone ()) book |> program |
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было бы немного читабельнее
Suggested change
| | "1" -> addPhone (getName ()) (getPhone ()) book |> program | |
| | "1" -> book |> addPhone (getName ()) (getPhone ()) |> program |
Phonebook/Phonebook/PhonebookFunc.fs
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| // поиск имени по телефону | ||
| let rec findNameByPhone phone (book : BookOfNumber list) = | ||
| let getFirst ({Name = a; Phone = b} : BookOfNumber) = a | ||
| book |> List.filter (fun {Name = _; Phone = x} -> x = phone) |> List.map(getFirst) |
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Можно записать так
Suggested change
| book |> List.filter (fun {Name = _; Phone = x} -> x = phone) |> List.map(getFirst) | |
| book |> List.filter (fun {Phone = x} -> x = phone) |> List.map(fun {Name = x} -> x) |
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| let person (book : BookOfNumber list) = book.Head | ||
| if (not(book |> List.isEmpty)) then | ||
| printf "%s %s\n" (person book).Name (person book).Phone | ||
| printAll book.Tail |
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проще было бы через паттерн-матчинг со списком записать
DedSec256
approved these changes
Jun 1, 2022
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