执行这一方法的最佳方式是什么:
Type GetNullableTypeFromType(Type tp);
因此,
Type tpString = GetNullableTypeFromType(typeof(string)); // Returns typeof(string)
Type tpInt = GetNullableTypeFromType(typeof(int)); // Returns typeof(int?)
public static Type GetNullableType(Type t)
{
if (t.IsValueType && (Nullable.GetUnderlyingType(t) == null))
return typeof(Nullable<>).MakeGenericType(t);
else
return t;
}
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
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