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Revert "Add cursor to lists iterator variables" (#21571)

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Revert "Add `cursor` to lists iterator variables (#21527)"

This reverts commit 3936071772.
This commit is contained in:
ringabout
2023-03-28 14:29:12 +08:00
committed by GitHub
parent 7d83dfd0d1
commit ff5ed1dbb1
1 changed files with 3 additions and 3 deletions
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6
lib/pure/collections/lists.nim
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@@ -286,7 +286,7 @@ iterator nodes*[T](L: SomeLinkedList[T]): SomeLinkedNode[T] =
x.value = 5 * x.value - 1
assert $a == "[49, 99, 199, 249]"
var it {.cursor.} = L.head
var it = L.head
while it != nil:
let nxt = it.next
yield it
@@ -311,7 +311,7 @@ iterator nodes*[T](L: SomeLinkedRing[T]): SomeLinkedNode[T] =
x.value = 5 * x.value - 1
assert $a == "[49, 99, 199, 249]"
var it {.cursor.} = L.head
var it = L.head
if it != nil:
while true:
let nxt = it.next
@@ -733,7 +733,7 @@ proc remove*[T](L: var SinglyLinkedList[T], n: SinglyLinkedNode[T]): bool {.disc
if L.tail.next == n:
L.tail.next = L.head # restore cycle
else:
var prev {.cursor.} = L.head
var prev = L.head
while prev.next != n and prev.next != nil:
prev = prev.next
if prev.next == nil: