Moved some code over

src/Core/Core.csproj

@@ -18,7 +18,7 @@
  <GeneratePackageOnBuild>$(_IsPublishing)</GeneratePackageOnBuild>
  <Title>Some OK core utility functions</Title>
  <RepositoryUrl>https://github.com/scottbilas/OkTools</RepositoryUrl>
- <PackageVersion>1.0.6</PackageVersion>
+ <PackageVersion>1.0.7</PackageVersion>
  <PackageReadmeFile>README.md</PackageReadmeFile>
  <PackageLicenseFile>LICENSE.md</PackageLicenseFile>
  </PropertyGroup>

src/Core/EnumerableExtensions.cs

@@ -16,6 +16,11 @@ public static IEnumerable<T> OrEmpty<T>(this IEnumerable<T>? @this) =>
  public static IReadOnlyList<T> OrEmpty<T>(this IReadOnlyList<T>? @this) =>
  @this ?? Array.Empty<T>();
 
+ public static bool Any<T>(this ICollection<T> @this) =>
+ @this.Count != 0;
+ public static bool IsEmpty<T>(this ICollection<T> @this) =>
+ @this.Count == 0;
+
  // singles
 
  public static T SingleOr<T>(this IEnumerable<T> @this, T defaultValue)

src/Core/Sys.cs

@@ -0,0 +1,25 @@
+using System.Runtime.InteropServices;
+
+namespace OkTools.Core;
+
+// only care about these right now
+public enum SysPlatform : byte { Windows, Mac, Linux, }
+public enum SysArchitecture : byte { X64, Arm64 }
+
+public static class Sys
+{
+ public static readonly SysPlatform Platform
+ = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? SysPlatform.Windows
+ : RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? SysPlatform.Mac
+ : RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? SysPlatform.Linux
+ : throw new NotSupportedException("Unsupported/invalid platform");
+
+ // ReSharper disable once SwitchExpressionHandlesSomeKnownEnumValuesWithExceptionInDefault
+ public static readonly SysArchitecture Architecture
+ = RuntimeInformation.OSArchitecture switch
+ {
+ System.Runtime.InteropServices.Architecture.X64 => SysArchitecture.X64,
+ System.Runtime.InteropServices.Architecture.Arm64 => SysArchitecture.Arm64,
+ _ => throw new NotSupportedException("Unsupported/invalid architecture")
+ };
+}