Collection/Management

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add

Adds an item to a collection.

 |add (item)

addRange

Adds all items to a collection.

 |addRange (item)

insert

Inserts an item into a collection on a specific index.

 |insert (index, item)

remove

Removes an item from a collection by its reference.

 |remove (item)

removeAt

Removes an item from a collection by its index.

 |removeAt (index)

length

Check count

count

Determines the length of a sequence of elements.

 |count (localName, predicate)

• localName: Optional
• predicate: Optional (must follow localName)
• return: Number (Integer)

Example:

Sample: people |count ()
Result: 4

elementAt

Gets an element by index in a collection.

 |elementAt (index)

peekAt

Gets an element by index in a collection and removes the element from the collection.

 |peekAt (index)

shuffle

Shuffles a collection using Fisher Yates.

 |shuffle ()

Example:

Sample: questions |shuffle ()
Returns: shuffled list of questions

reverse

The reverse function is reversing the collection.

 |reverse ()

Example:

Sample: matrix is [0,1,2,3]
matrix|reverse ()
Result: [3,2,1,0]

chunk

The chunk function is dividing the collection into groups by the given number of elements.

 |chunk (integer value)

• integer value: (Mandatory) how many elements needs to be included in a chunk

Example:

Sample: values := [1,2,3,4,5,6,7,8,9,0]
values|chunk (3)
Result: [1,2,3], [4,5,6], [7,8,9], [0]