diff options
| -rw-r--r-- | changelog.md | 1 | ||||
| -rw-r--r-- | lib/pure/collections/lists.nim | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/changelog.md b/changelog.md index 1bedb1cd6..f4a9d627c 100644 --- a/changelog.md +++ b/changelog.md @@ -29,6 +29,7 @@ slots when enlarging a sequence. - Added `hasDefaultValue` to `std/typetraits` to check if a type has a valid default value. - Added Viewport API for the JavaScript targets in the `dom` module. +- Added `toSinglyLinkedRing` and `toDoublyLinkedRing` to `std/lists` to convert from `openArray`s. [//]: # "Deprecations:" diff --git a/lib/pure/collections/lists.nim b/lib/pure/collections/lists.nim index b9d5c48eb..9b89fe9f8 100644 --- a/lib/pure/collections/lists.nim +++ b/lib/pure/collections/lists.nim @@ -983,6 +983,17 @@ func toSinglyLinkedList*[T](elems: openArray[T]): SinglyLinkedList[T] {.since: ( for elem in elems.items: result.add(elem) +func toSinglyLinkedRing*[T](elems: openArray[T]): SinglyLinkedRing[T] = + ## Creates a new `SinglyLinkedRing` from the members of `elems`. + runnableExamples: + from std/sequtils import toSeq + let a = [1, 2, 3, 4, 5].toSinglyLinkedRing + assert a.toSeq == [1, 2, 3, 4, 5] + + result = initSinglyLinkedRing[T]() + for elem in elems.items: + result.add(elem) + func toDoublyLinkedList*[T](elems: openArray[T]): DoublyLinkedList[T] {.since: (1, 5, 1).} = ## Creates a new `DoublyLinkedList` from the members of `elems`. runnableExamples: @@ -993,3 +1004,14 @@ func toDoublyLinkedList*[T](elems: openArray[T]): DoublyLinkedList[T] {.since: ( result = initDoublyLinkedList[T]() for elem in elems.items: result.add(elem) + +func toDoublyLinkedRing*[T](elems: openArray[T]): DoublyLinkedRing[T] = + ## Creates a new `DoublyLinkedRing` from the members of `elems`. + runnableExamples: + from std/sequtils import toSeq + let a = [1, 2, 3, 4, 5].toDoublyLinkedRing + assert a.toSeq == [1, 2, 3, 4, 5] + + result = initDoublyLinkedRing[T]() + for elem in elems.items: + result.add(elem) |