Function popFirst [src]

Remove and return the first node in the list.

Prototype

pub fn popFirst(list: *SinglyLinkedList) ?*Node

Parameters

list: *SinglyLinkedList

Source

  pub fn popFirst(list: *SinglyLinkedList) ?*Node {
    const first = list.first orelse return null;
    list.first = first.next;
    return first;
}  