EqualityComparer<T>.GetHashCode(T) Method
Definition
Important
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When overridden in a derived class, serves as a hash function for the specified object for hashing algorithms and data structures, such as a hash table.
public:
abstract int GetHashCode(T obj);public abstract int GetHashCode (T obj);override this.GetHashCode : 'T -> intPublic MustOverride Function GetHashCode (obj As T) As IntegerParameters
- obj
- T
The object for which to get a hash code.
Returns
A hash code for the specified object.
Implements
Exceptions
The type of obj is a reference type and obj is null.
Notes to Implementers
Implementations are required to ensure that if the Equals(T, T) method returns true for two objects x and y, then the value returned by the GetHashCode(T) method for x must equal the value returned for y.
Applies to
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