R6 Class - A First-In-First-Out Abstract Data Type

Public methods

• Queue$push()

• Queue$pop()

• Queue$empty()

• Queue$size()

• Queue$get()

• Queue$remove()

• Queue$print()

• Queue$clone()

Method push()

Adds another element to this queue.

Queue$push(new_elements)

Method pop()

Returns the first added element to this queue and removes it from this queue.

Queue$pop()

Method empty()

Removes all elements from this queue.

Queue$empty()

Method size()

Returns the number of elements in this queue.

Queue$size()

Method get()

Returns an array of elements in this queue. The order of elements is chronological: the first elements in the returned array is the oldest element added to this queue.

Queue$get(reversed = FALSE)

Method remove()

Removes the eldest occurrence of elements from this queue. Relies on implicit conversions of R types to compare a removed element with elements in this queue.

Queue$remove(elements)

Method print()

Prints this queue.

Queue$print(...)

Method clone()

The objects of this class are cloneable with this method.

Queue$clone(deep = FALSE)