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Emre Kabaoglu
Emre Kabaoglu
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Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { if (!source.Any()) { yield break;} var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive(); Output 1,2,3,4 6,7 9

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive(); Output 1,2,3,4 6,7 9

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { if (!source.Any()) { yield break;} var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive(); Output 1,2,3,4 6,7 9
added 186 characters in body
Source Link
Emre Kabaoglu
Emre Kabaoglu
  • 13.2k
  • 4
  • 27
  • 48

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive();   Output 1,2,3,4 6,7 9

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive();

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive();   Output 1,2,3,4 6,7 9
Source Link
Emre Kabaoglu
Emre Kabaoglu
  • 13.2k
  • 4
  • 27
  • 48

Try the following code;

public static IEnumerable<IEnumerable<int>> GroupConsecutive(this IEnumerable<int> source) { var prev = source.First(); var grouped = new List<int>(){ prev }; source = source.Skip(1); while (source.Any()) { var current = source.First(); if (current - prev != 1) { yield return grouped; grouped = new List<int>(); } grouped.Add(current); source = source.Skip(1); prev = current; } yield return grouped; } var numbers = new[] { 1, 2, 3, 4, 6, 7, 9 }; var result = numbers.GroupConsecutive();