SortedDictionary<TKey,TValue>.KeyCollection.ICollection<TKey>.Contains Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines whether the ICollection<T> contains the specified value.
virtual bool System.Collections.Generic.ICollection<TKey>.Contains(TKey item) = System::Collections::Generic::ICollection<TKey>::Contains;
bool ICollection<TKey>.Contains (TKey item);
abstract member System.Collections.Generic.ICollection<TKey>.Contains : 'Key -> bool
override this.System.Collections.Generic.ICollection<TKey>.Contains : 'Key -> bool
Function Contains (item As TKey) As Boolean Implements ICollection(Of TKey).Contains
Parameters
- item
- TKey
The object to locate in the ICollection<T>.
Returns
true
if item is found in the ICollection<T>; otherwise, false
.
Implements
Remarks
Implementations can vary in how they determine equality of objects; for example, List<T> uses Default, whereas SortedDictionary<TKey,TValue> allows the user to specify the IComparer<T> implementation to use for comparing keys.
This method is an O(1) operation.
Applies to
משוב
https://aka.ms/ContentUserFeedback.
בקרוב: במהלך 2024, נפתור בעיות GitHub כמנגנון המשוב לתוכן ונחליף אותו במערכת משוב חדשה. לקבלת מידע נוסף, ראה:שלח והצג משוב עבור