Set

A container that stores unique elements in no particular order.

Set is an associative container that contains a collection of unique elements. No two elements in a set can have the same value. Sets provide fast insertion, removal, and lookup operations, typically with average constant time complexity. Unlike maps, sets store only the values themselves, not key-value pairs. They are ideal for membership testing, removing duplicates from collections, and mathematical set operations. At the moment, the only types you can store in a Set are: bool, integer, real and string.

Example

var unique_numbers = Set()
unique_numbers.insert(1)
unique_numbers.insert(2)
unique_numbers.insert(1)  // Duplicate, won't be added again

print("Set size: ${unique_numbers.size()}")  // Will be 2
print("Contains 1: ${unique_numbers.count(1)}")  // Will be 1 (true)
print("Contains 3: ${unique_numbers.count(3)}")  // Will be 0 (false)

// Remove duplicates from a list
var numbers = [1, 2, 2, 3, 3, 3, 4]
var unique_set = Set(numbers)

Constructors

Set() -> Set

Creates a default-constructed instance of Set.

Set(const Set other) -> Set

Creates a copy of an existing Set object.

Parameters

• other: The Set object to copy.

Symbols

Name	Description
=	Assigns the value of the right-hand side to the left-hand side.

Members

Name	Description
capacity	Returns the number of elements that the container has currently allocated space for.
clear	Clears all elements from the container.
contains	Checks if the set contains the specified value.
count	Returns the number of occurrences of the specified value in the container.
empty	Checks if the container is empty.
erase	Removes the first occurrence of the specified value from the container.
extend	Merge an unordered set into an unordered set.
insert	Inserts a value into the unordered set.
max	Returns the maximum element in the container. Throws an exception if the container is empty.
min	Returns the minimum element in the container. Throws an exception if the container is empty.
reserve	Reserves storage for at least the specified number of elements.
size	Returns the number of elements in the container.