Created
April 24, 2019 07:40
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Rider does not properly resolve more specific extension methods
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| namespace Rider | |
| { | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using Xunit; | |
| public class FaultyExtensionMethodResolution | |
| { | |
| [Fact] | |
| public void RiderResolvesWrongExtensionMethod() | |
| { | |
| Container<object>[] collection = | |
| { | |
| new Container<object>("hello"), | |
| new Container<object>(5) | |
| }; | |
| IEnumerable<Container<string>> filtered = collection.OfType<string>(); | |
| Assert.True(filtered.Count() == 1); | |
| } | |
| } | |
| public class Container<T> | |
| { | |
| public Container(T item) | |
| { | |
| this.Item = item; | |
| } | |
| public T Item { get; } | |
| } | |
| public static class Extensions | |
| { | |
| public static IEnumerable<Container<T>> OfType<T>(this Container<object>[] input) | |
| { | |
| return input.Where(_ => _.Item.GetType() == typeof(T)).Select(_ => new Container<T>((T)_.Item)); | |
| } | |
| } | |
| } |
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