HashSetTKey, TValue(FuncTValue, TKey) - конструктор

public HashSet(
	Func<TValue, TKey> keyExtractor
)

Public Sub New ( 
	keyExtractor As Func(Of TValue, TKey)
)

public:
HashSet(
	Func<TValue, TKey>^ keyExtractor
)

new : 
        keyExtractor : Func<'TValue, 'TKey> -> HashSet