Ambiguous method: ToHashSet (Linq vs Sirenix.Utilities)

[Gustave Leibbrandt]

1. What happened?

   1. Get an error message: CS0121: The call is ambiguous between the following methods or properties: 'Sirenix.Utilities.LinqExtensions.ToHashSet<T>(System.Collections.Generic.IEnumerable<T>)' and 'System.Linq.Enumerable.ToHashSet<TSource>(System.Collections.Generic.IEnumerable<TSource>)'

2. How can we reproduce it?

   1. ```csharp using System; using System.Collections.Generic; using System.Linq; using Sirenix.Utilities;

      static HashSet<Type> scriptableObjectTypes = AssemblyUtilities.GetTypes(AssemblyTypeFlags.CustomTypes) .Where(t => t.IsClass && typeof(ScriptableObject).IsAssignableFrom(t) && !typeof(EditorWindow).IsAssignableFrom(t) && !typeof(Editor).IsAssignableFrom(t)) .ToHashSet(); ```

3. What version of Unity are you using?

   1. 2021.2.0b6

4. What version of Odin are you using? (See "Tools > Odin Inspector > About")

   1. 3.0.7

5. Do you have Editor Only mode enabled?

   1. No

6. What operating system are you on?

   1. macOs 10.15.7

‌

[Antonio Rafael Antunes Miranda]

You can use aliases for the Sirenix.Utilities types:

using AssemblyUtilities = Sirenix.Utilities.AssemblyUtilities;
using AssemblyTypeFlags = Sirenix.Utilities.AssemblyTypeFlags;

And then remove the Sirenix.Utilities using directive

[Antonio Rafael Antunes Miranda]

Resolved in 3.0.9.0