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Justin Lin
2021-02-11 11:54:51 +08:00
parent f1382cb7f4
commit 113a0a5b77
3 changed files with 5 additions and 5 deletions
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2
docs/lib3x-zip.md
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@@ -7,7 +7,7 @@ Make a list that aggregates elements from each of the lists. Returns a list of l
## Parameters ## Parameters
- `lts` : A list of lists. - `lts` : A list of lists.
- `head` : Rather than listing the elements, the elements are combined using the function. **Since:** 3.0 - `slider` : Rather than listing the elements, the elements are combined using the function. **Since:** 3.0
## Examples ## Examples

6
src/util/_impl/_zip_impl.scad
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@@ -1,7 +1,7 @@
_identity = function(elems) elems; _identity = function(elems) elems;
function _zipAll_sub(lts, list_to, elem_to, head, i = 0) = function _zipAll_sub(lts, list_to, elem_to, slider, i = 0) =
i > elem_to ? [] : i > elem_to ? [] :
concat([head([for(j = [0:list_to]) lts[j][i]])], _zipAll_sub(lts, list_to, elem_to, head, i + 1)); concat([slider([for(j = [0:list_to]) lts[j][i]])], _zipAll_sub(lts, list_to, elem_to, slider, i + 1));
function _zipAll(lts, head = _identity) = _zipAll_sub(lts, len(lts) - 1, len(lts[0]) - 1, head); function _zipAll(lts, slider = _identity) = _zipAll_sub(lts, len(lts) - 1, len(lts[0]) - 1, slider);

2
src/util/zip.scad
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@@ -10,4 +10,4 @@
use <_impl/_zip_impl.scad>; use <_impl/_zip_impl.scad>;
function zip(lts, head) = is_function(head) ? _zipAll(lts, head) : _zipAll(lts); function zip(lts, slider) = is_function(slider) ? _zipAll(lts, slider) : _zipAll(lts);