ICollection Members

Count	Returns the number of elements in this collection.
IsEmpty	Returns `true' if the collection is empty.

Add	Adds an element to the collection.
Clear	Clears the collection.
Clone	Creates a shallow copy of this collection.
Contains	Checks if the specified element `x' is a member of the collection.
Exists	Checks if there exists a member of collection that satisfies the supplied condition.
Filter	Filters the collection removing all elements that do not satisfy the supplied predicate.
First	Returns the first of the collection elements, if there is one. Throws EmptyCollection exception otherwise.
Fold	Folds the collection using the specified fold function and an initial value. Order in which the elements are folded is unspecified.
ForAll	Checks if all the members of this collection satisfy the supplied predicate.
Iter	Calls the supplied function for all the elements of this collection.
Map	Maps the supplied function to the elements of this collection, creating a new collection.
Partition	Partitions collection into two collections: elements that satisfy and elements that do not satisfy the supplied predicate.
Remove	Removes an element from the collection