Loyc.Collections.Impl.DictionaryWrapper< K, V, TDictionary > Class Template Reference

A simple base class that helps you use the decorator pattern on a dictionary. By default, all it does is forward every method to the underlying collection (including GetHashCode, Equals and ToString). You can change its behavior by overriding methods. More...

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Source file:

• /Core/Loyc.Essentials/Collections/BaseClasses/DictionaryWrapper.cs

Inheritance diagram for Loyc.Collections.Impl.DictionaryWrapper< K, V, TDictionary >:

Remarks

A simple base class that helps you use the decorator pattern on a dictionary. By default, all it does is forward every method to the underlying collection (including GetHashCode, Equals and ToString). You can change its behavior by overriding methods.

This could be used, for example, to help you implement a collection that needs to take some kind of action whenever the collection is modified.

See also

ListWrapper{TList,T}, DictionaryWithChangeEvents{TDictionary, K, V}

Type Constraints

TDictionary	:	IDictionary
TDictionary	:	K
TDictionary	:	V

Public fields
virtual ICollection< K >	Keys => _obj.Keys
virtual ICollection< V >	Values => _obj.Values
Public fields inherited from Loyc.Collections.Impl.CollectionWrapper< T, TCollection >
bool	IsEmpty => Count == 0
virtual int	Count => _obj.Count
virtual bool	IsReadOnly => _obj.IsReadOnly

Properties
virtual V	this[K key] [get, set]
Properties inherited from Loyc.Collections.IIndexed< in K, out V >
V	this[K key] [get]
	Gets the value associated with the specified key. More...

Public Member Functions
	DictionaryWrapper (TDictionary dictionary)
virtual void	Add (K key, V value)
virtual bool	Remove (K key)
virtual bool	ContainsKey (K key)
virtual bool	TryGetValue (K key, [MaybeNullWhen(false)] out V value)
V	TryGet (K key, out bool fail)
Public Member Functions inherited from Loyc.Collections.Impl.CollectionWrapper< T, TCollection >
	CollectionWrapper (TCollection collection)
virtual void	Add (T item)
virtual void	Clear ()
virtual bool	Remove (T item)
virtual bool	Contains (T item)
virtual void	CopyTo (T[] array, int arrayIndex)
virtual IEnumerator< T >	GetEnumerator ()
Public Member Functions inherited from Loyc.WrapperBase< T >
override bool	Equals (object?obj)
	Returns true iff the parameter 'obj' is a wrapper around an object that is equal to the object that this object wraps. More...
override int	GetHashCode ()
	Returns the hashcode of the wrapped object. More...
override string	ToString ()
	Returns ToString() of the wrapped object. More...

Protected fields
TDictionary	Dictionary => _obj
Protected fields inherited from Loyc.Collections.Impl.CollectionWrapper< T, TCollection >
TCollection	Collection => _obj
Protected fields inherited from Loyc.WrapperBase< T >
T	_obj

Additional Inherited Members
Protected Member Functions inherited from Loyc.WrapperBase< T >
	WrapperBase (T wrappedObject)
Protected static fields inherited from Loyc.WrapperBase< T >
static readonly EqualityComparer< T >	TComp = EqualityComparer<T>.Default