Rell System Library/[root]/set

set

type set<T: -immutable> : collection<T>

Represents a mutable set of elements. The set is a hash-set with an iteration order determined by the order the elements was first added to the set.

Since

0.6.0

Constructors

pure constructor()

Constructs an empty set.

pure constructor(values: iterable<-T>)

Constructs a set from the elements of the provided iterable.

Functions

function add(value: T): boolean

Adds an element to the collection.

function add_all(values: collection<-T>): boolean

Adds all elements from another collection to this collection.

(alias) function ~~addAll~~(values: collection<-T>): boolean

Adds all elements from another collection to this collection.

Alias

function clear()

Clears the collection.

pure function contains(value: T): boolean

Checks if the collection contains a specific element.

pure function contains_all(values: collection<-T>): boolean

Checks if the collection contains all elements of another collection.

(alias) pure function ~~containsAll~~(values: collection<-T>): boolean

Checks if the collection contains all elements of another collection.

Alias

pure function empty(): boolean

Checks if the collection is empty.

pure function join_to_text([separator: text], [prefix: text], [postfix: text], [limit: integer?], [truncated: text], [transform: (T) -> text]): text

Creates a text from all the elements separated using separator and using the given prefix and postfix if supplied.

If the iterable is large, you can specify a non-negative value of limit, in which case only the first limit of elements will be appended, followed by the truncated text (which defaults to "...").

(alias) pure function ~~len~~(): integer

Returns the size of the collection.

Alias

function remove(value: T): boolean

Removes an element from the collection.

function remove_all(values: collection<-T>): boolean

Removes all elements from the collection that are present in another collection.

(alias) function ~~removeAll~~(values: collection<-T>): boolean

Removes all elements from the collection that are present in another collection.

Alias

pure function size(): integer

Returns the size of the collection.

pure function sorted(): list<T>

Returns a new sorted list of elements from the collection.

(alias) pure function str(): text

Converts the collection to a text representation.

Alias

pure function to_text(): text

Converts the collection to a text representation.