DoPop

Description

doPop removes the last element from a list and returns it.

Syntax

doPop(list myList)

• myList is the list to pop from

Remarks

• doPop is a mutating function, so it modifies the list given to it
• if the list is empty, doPop returns null
• doPop is the opposite of doAdd

Examples

list l = [1, 2, 3]

doPop(l) // returns 3

println(l) // prints [1, 2]

doPop(l) // returns 2

println(l) // prints [1]

doPop(l) // returns 1

println(l) // prints []

doPop(l) // returns null