C# (CSharp) Variance Animal.GetType示例

示例#1

文件： MethodGroupConversionVariance.cs 项目： tushartyagi/csharpindepth

 static Giraffe ReturnGiraffe(Animal first, Animal second)
 {
     if (first.GetType() == typeof(Giraffe))
     {
         return (Giraffe)first;
     }
     else
     {
         return (Giraffe)second;
     }
 }