Round #880

Implement IComparable<T> on a 'SemVer' struct (Major, Minor, Patch). Show sorting a List<SemVer>.

```csharp using System; using System.Collections.Generic; using System.Linq; public struct SemVer : IComparable<SemVer> { public int Major { get; } public int Minor { get; } public int Patch { get; } public SemVer(int major, int minor, int patch) { Major = major; Minor = minor; Patch = patch; } public int CompareTo(SemVer other) { if (Major != other.Major) return Major.CompareTo(other.Major); if (Minor != other.Minor) return Minor.CompareTo(other.Minor); return Patch.CompareTo(other.Patch); } public override string ToString() { return $"{Major}.{Minor}.{Patch}"; } } class Program { static void Main() { var semvers = new List<SemVer> { new SemVer(1, 2, 3), new SemVer(1, 2, 1), new SemVer(1, 1, 1), new SemVer(2, 0, 0), new SemVer(1, 2, 0), new SemVer(1, 0, 0), }; var sortedSemvers = semvers.OrderBy(s => s).ToList(); foreach (var semver in sortedSemvers) { Console.WriteLine(semver); } } } ```

```csharp using System; using System.Collections.Generic; using System.Linq; public struct SemVer : IComparable<SemVer> { public int Major { get; } public int Minor { get; } public int Patch { get; } public SemVer(int major, int minor, int patch) { Major = major; Minor = minor; Patch = patch; } public int CompareTo(SemVer other) { var majorComparison = Major.CompareTo(other.Major); if (majorComparison != 0) return majorComparison; var minorComparison = Minor.CompareTo(other.Minor); if (minorComparison != 0) return minorComparison; return Patch.CompareTo(other.Patch); } public override string ToString() { return $"{Major}.{Minor}.{Patch}"; } } class Program { static void Main() { var semVers = new List<SemVer> { new SemVer(1, 2, 3), new SemVer(1, 2, 1), new SemVer(1, 1, 1), new SemVer(2, 0, 0), new SemVer(1, 2, 4), }; var sortedSemVers = semVers.OrderBy(s => s).ToList(); foreach (var semVer in sortedSemVers) { Console.WriteLine(semVer); } } } ``` This implementation of `IComparable<T>` on the `SemVer` struct allows for correct sorting of semantic versions. The `CompareTo` method first compares the major version, then the minor version, and finally the patch version. The `Main` method demonstrates how to use this implementation to sort a list of `SemVer` instances. The output will be the sorted list of semantic versions. This implementation requires additional explanation due to the need to describe the sorting logic and the example usage.