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O(1) concatenation of singly- and doubly linked lists. (#16362)

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* O(1) concatenation of singly- and doubly linked lists.

There is also new `toSinglyLinkedList` and `toDoublyLinkedList`
functions for conversion from `openArray`s, similarly
to `toHashSet` or `toTable`.

* Add `sequtils` import to runnable examples with `toSeq`.

* Added missing call to runnable examples.

* Add .since annotation, changelog, and tests.

* Rename `lists.concat` as an overload to `lists.append`.

* Renamed `append` to `add` in lists.

* Remove faulty `add` for `DoublyLinkedList`s.

* Improved tests for lists.

* `lists.add` moves the second list; added `lists.copy` for shallow copy.

* More tests for `lists.add` and `lists.copy`.

* More compact tests for lists with templates.

* List concatenation with copying (`add`) and moving (tentatively `addMove`)

* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.

* Added extended example to `lists.copy`.

* Corrected .since annotations to 1.6

* Add .since annotation, changelog, and tests.

* Rename `lists.concat` as an overload to `lists.append`.

* Renamed `append` to `add` in lists.

* Remove faulty `add` for `DoublyLinkedList`s.

* `lists.add` moves the second list; added `lists.copy` for shallow copy.

* More tests for `lists.add` and `lists.copy`.

* List concatenation with copying (`add`) and moving (tentatively `addMove`)

* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.

* Since declarations changed to (1,5,1).

* Add .since annotation, changelog, and tests.

* Rename `lists.concat` as an overload to `lists.append`.

* Renamed `append` to `add` in lists.

* Remove faulty `add` for `DoublyLinkedList`s.

* `lists.add` moves the second list; added `lists.copy` for shallow copy.

* More tests for `lists.add` and `lists.copy`.

* List concatenation with copying (`add`) and moving (tentatively `addMove`)

* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.

* Changelog update.

* Fix rebasing errors.

* Self-adding with `lists.addMove` results in a cycle now.
Added some extra tests.
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Peter Salvi 2020-12-20 13:09:35 +01:00 • committed by GitHub
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@ -66,6 +66,11 @@
- `echo` and `debugEcho` will now raise `IOError` if writing to stdout fails. Previous behavior
silently ignored errors. See #16366. Use `-d:nimLegacyEchoNoRaise` for previous behavior.
- Added new operations for singly- and doubly linked lists: `lists.toSinglyLinkedList`
and `lists.toDoublyLinkedList` convert from `openArray`s; `lists.copy` implements
shallow copying; `lists.add` concatenates two lists - an O(1) variation that consumes
its argument, `addMoved`, is also supplied.
## Language changes
- `nimscript` now handles `except Exception as e`.