DuckTypingCollection

Ecng.Collections

Represents a collection adapter that converts between ICollection and ICollection using duck typing. Allows working with collections of different element types by providing conversion functions.

Implements: ICollection<T>, IEnumerable<T>, IEnumerable

Constructors

public DuckTypingCollection(ICollection<TSource> source, Func<TSource, TTarget> sourceToTarget, Func<TTarget, TSource> targetToSource)

duckTypingCollection = DuckTypingCollection(source, sourceToTarget, targetToSource)

Initializes a new instance of the DuckTypingCollection class.

source: The source collection to wrap.
sourceToTarget: Function to convert from source type to target type.
targetToSource: Function to convert from target type to source type.

Properties

Count

public int Count { get; }

value = duckTypingCollection.Count

Gets the number of elements contained in the collection.

IsReadOnly

public bool IsReadOnly { get; }

value = duckTypingCollection.IsReadOnly

Gets a value indicating whether the collection is read-only.

Source

public ICollection<TSource> Source { get; }

value = duckTypingCollection.Source

Gets the wrapped source collection.

Methods

Add

public void Add(TTarget item)

duckTypingCollection.Add(item)

Adds an item to the collection.

item: The item to add.

Clear

public void Clear()

duckTypingCollection.Clear()

Removes all items from the collection.

Contains

public bool Contains(TTarget item)

result = duckTypingCollection.Contains(item)

Determines whether the collection contains a specific item.

item: The item to locate.

Returns: true if the item is found; otherwise, false.

CopyTo

public void CopyTo(TTarget[] array, int arrayIndex)

duckTypingCollection.CopyTo(array, arrayIndex)

Copies the elements of the collection to an array, starting at a particular array index.

array: The destination array.
arrayIndex: The zero-based index in the array at which copying begins.

GetEnumerator

public IEnumerator<TTarget> GetEnumerator()

result = duckTypingCollection.GetEnumerator()

Returns an enumerator that iterates through the collection.

Returns: An enumerator for the collection.

Remove

public bool Remove(TTarget item)

result = duckTypingCollection.Remove(item)

Removes the first occurrence of a specific item from the collection.

item: The item to remove.

Returns: true if the item was successfully removed; otherwise, false.

System#Collections#IEnumerable#GetEnumerator()

Returns an enumerator that iterates through the collection.

Returns: An enumerator for the collection.