Merge pull request #2079 from jnyrup/IsTuple

Improve performance of `IsTuple()`
fluentassertions · Dec 31, 2022 · 2ca12e3 · 2ca12e3
2 parents 6a03535 + 2e9c03e
commit 2ca12e3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Src/FluentAssertions/Common/TypeExtensions.cs b/Src/FluentAssertions/Common/TypeExtensions.cs
@@ -547,6 +547,9 @@ private static bool IsTuple(this Type type)
             return false;
         }
 
+#if !(NET47 || NETSTANDARD2_0)
+        return typeof(ITuple).IsAssignableFrom(type);
+#else
         Type openType = type.GetGenericTypeDefinition();
         return openType == typeof(ValueTuple<>)
                || openType == typeof(ValueTuple<,>)
@@ -564,6 +567,7 @@ private static bool IsTuple(this Type type)
                || openType == typeof(Tuple<,,,,,>)
                || openType == typeof(Tuple<,,,,,,>)
                || (openType == typeof(Tuple<,,,,,,,>) && IsTuple(type.GetGenericArguments()[7]));
+#endif
     }
 
     private static bool IsAnonymousType(this Type type)