HashSet<T>::Overlaps Method (IEnumerable<T>^)
Determines whether the current HashSet<T> object and a specified collection share common elements.
Assembly: System.Core (in System.Core.dll)
Parameters
- other
-
Type:
System.Collections.Generic::IEnumerable<T>^
The collection to compare to the current HashSet<T> object.
Return Value
Type: System::Booleantrue if the HashSet<T> object and other share at least one common element; otherwise, false.
Implements
ISet<T>::Overlaps(IEnumerable<T>^)| Exception | Condition |
|---|---|
| ArgumentNullException | other is null. |
This method is an O(n) operation, where n is the number of elements in other.
The following example creates two disparate HashSet<T> objects and compares them to each another. In this example, allNumbers and lowNumbers are shown to share common elements using the Overlaps method.
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1