[AttributeUsageAttribute(AttributeTargets.Parameter)]
public sealed class NoEnumerationAttribute : Attribute<AttributeUsageAttribute(AttributeTargets.Parameter)>
Public NotInheritable Class NoEnumerationAttribute
Inherits Attribute[AttributeUsageAttribute(AttributeTargets::Parameter)]
public ref class NoEnumerationAttribute sealed : public Attribute[<SealedAttribute>]
[<AttributeUsageAttribute(AttributeTargets.Parameter)>]
type NoEnumerationAttribute =
class
inherit Attribute
endstatic void ThrowIfNull<T>([NoEnumeration] T v, string n) where T : class
{
// custom check for null but no enumeration
}
void Foo(IEnumerable<string> values)
{
ThrowIfNull(values, nameof(values));
var x = values.ToList(); // No warnings about multiple enumeration
}| NoEnumerationAttribute | Инициализирует новый экземпляр класса NoEnumerationAttribute |
| TypeId | When implemented in a derived class, gets a unique identifier for this Attribute. (Унаследован от Attribute) |
| Equals | Returns a value that indicates whether this instance is equal to a specified object. (Унаследован от Attribute) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Унаследован от Object) |
| GetHashCode | Returns the hash code for this instance. (Унаследован от Attribute) |
| GetType | Gets the Type of the current instance. (Унаследован от Object) |
| IsDefaultAttribute | When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Унаследован от Attribute) |
| Match | When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Унаследован от Attribute) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Унаследован от Object) |
| ToString | Returns a string that represents the current object. (Унаследован от Object) |