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discard """
output: '''true'''
"""
import lists
const
data = [1, 2, 3, 4, 5, 6]
block SinglyLinkedListTest1:
var L: TSinglyLinkedList[int]
for d in items(data): L.prepend(d)
assert($L == "[6, 5, 4, 3, 2, 1]")
assert(4 in L)
block SinglyLinkedListTest2:
var L: TSinglyLinkedList[string]
for d in items(data): L.prepend($d)
assert($L == "[6, 5, 4, 3, 2, 1]")
assert("4" in L)
block DoublyLinkedListTest1:
var L: TDoublyLinkedList[int]
for d in items(data): L.prepend(d)
for d in items(data): L.append(d)
L.remove(L.find(1))
assert($L == "[6, 5, 4, 3, 2, 1, 2, 3, 4, 5, 6]")
assert(4 in L)
block SinglyLinkedRingTest1:
var L: TSinglyLinkedRing[int]
L.prepend(4)
assert($L == "[4]")
L.prepend(4)
assert($L == "[4, 4]")
assert(4 in L)
block DoublyLinkedRingTest1:
var L: TDoublyLinkedRing[int]
L.prepend(4)
assert($L == "[4]")
L.prepend(4)
assert($L == "[4, 4]")
assert(4 in L)
L.append(3)
L.append(5)
assert($L == "[4, 4, 3, 5]")
L.remove(L.find(3))
L.remove(L.find(5))
L.remove(L.find(4))
L.remove(L.find(4))
assert($L == "[]")
assert(4 notin L)
echo "true"
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