Queue.lua

Queue implementation for Lua and PICO-8
Inspired by Queue.js

Reference:

Queue:new()
Create a new queue

Queue:enqueue(value)
Add item to the Queue

Queue:dequeue()
Retrieve item from the Queue

Queue:peek()
Output the first item in Queue

Queue:isEmpty()
Check if Queue is empty

Queue:length()
Get Length of the Queue

Queue:print()
Print the Queue content to the console

Queue:copy()
Returns a new Queue with the same content as the one calling the function

Example

local q = Queue:new()
  
q:enqueue(3)
q:enqueue(5)
q:enqueue(10) 
q:print() --> Peek -> 3, 5, 10

print(q:length()) --> 3

local qCopy = q:copy()
qCopy:print() --> Peek -> 3, 5, 10

print(q:dequeue()) --> 3
print(q:dequeue()) --> 5
print(q:dequeue()) --> 10

print(q:isEmpty()) --> true
print(qCopy:isEmpty()) --> false