Class EnumerableComparer

An element-wise equality comparer for sequences of values.

Inheritance
System.Object
EnumerableComparer
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Flame.Collections
Assembly: Flame.dll
Syntax
public static class EnumerableComparer

Fields

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EmptyHash

The hash code for an empty sequence.

Declaration
public const int EmptyHash = -2128831035
Field Value
Type Description
System.Int32

Methods

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FoldIntoHashCode(Int32, Int32)

Folds a hash code for an element into a hash code for a sequence.

Declaration
public static int FoldIntoHashCode(int hashCode, int elementHashCode)
Parameters
Type Name Description
System.Int32 hashCode

A hash code for a sequence without the element.
System.Int32 elementHashCode

A hash code for an element.
Returns
Type Description
System.Int32

A hash code for a sequence that includes the element.
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FoldIntoHashCode<T>(Int32, T)

Folds a hash code for an element into a hash code for a sequence.

Declaration
public static int FoldIntoHashCode<T>(int hashCode, T element)
Parameters
Type Name Description
System.Int32 hashCode

A hash code for a sequence without the element.
T element

An element whose hash code is to be folded into the hash code for the sequence.
Returns
Type Description
System.Int32

A hash code for a sequence that includes the element.
Type Parameters
Name Description
T
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HashEnumerable<T>(IEnumerable<T>)

Hashes a sequence of elements.

Declaration
public static int HashEnumerable<T>(IEnumerable<T> sequence)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<T> sequence

The sequence to hash.
Returns
Type Description
System.Int32

A hash code for the entire sequence.
Type Parameters
Name Description
T

The type of element in the sequence.
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HashEnumerable<T>(IEnumerable<T>, IEqualityComparer<T>)

Hashes a sequence of elements.

Declaration
public static int HashEnumerable<T>(IEnumerable<T> sequence, IEqualityComparer<T> elementComparer)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<T> sequence

The sequence to hash.
System.Collections.Generic.IEqualityComparer<T> elementComparer

An equality comparer for elements of the sequence.
Returns
Type Description
System.Int32

A hash code for the entire sequence.
Type Parameters
Name Description
T

The type of element in the sequence.
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HashUnorderedSet<T>(IEnumerable<T>)

Hashes an unordered set of elements.

Declaration
public static int HashUnorderedSet<T>(IEnumerable<T> sequence)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<T> sequence

The unordered set to hash.
Returns
Type Description
System.Int32

An ordering-independent hash code for the entire set.
Type Parameters
Name Description
T

The type of element in the set.
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HashUnorderedSet<T>(IEnumerable<T>, IEqualityComparer<T>)

Hashes an unordered set of elements.

Declaration
public static int HashUnorderedSet<T>(IEnumerable<T> sequence, IEqualityComparer<T> elementComparer)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<T> sequence

The unordered set to hash.
System.Collections.Generic.IEqualityComparer<T> elementComparer

An equality comparer for elements of the set.
Returns
Type Description
System.Int32

An ordering-independent hash code for the entire set.
Type Parameters
Name Description
T

The type of element in the set.