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93f7baf80 netlify: Hugo 0.92.2 ecd8a6b6b Merge branch 'tempv0.92.2' ee04caf9f Fix validation of Page Kind in cascade target map 3fce03ed2 Remove the "check" command 70ad71b25 Fix typo (#1651) dfd1dc570 Fix internal link (#1650) b5e0e0d38 Update rotten Fedora package link 78276390a Add missing word in types.md (#1645) 45eb945f8 Remove hugo gen autocomplete 2f84d0896 netlify: Hugo 0.92.1 b55f5773b Update complement.md 7013ee43e Remove deprecated RSSLink from page variables 1c3fb6ed3 Remove deprecated page vars (#1638) 9bd0af3ab Update union.md 4576487a0 Update symdiff.md 58f1b26c7 Update starter-kits.md (#1521) 285356c1d Move inline partials section (#1635) 4d08625d2 Improve directions for editing Win 10 path env var (#1632) 41d9c7804 Update page content (#1629) d05536cad Removed unpaired quote character (#1630) 3b0fdcd88 netlify: Bump to Hugo 0.92.0 cdb068346 docs: Regenerate docshelper 778503ca8 Merge commit 'a8e9fc699a6ff7d578f97a7c553ce844efad8fdb' 2d2401c91 docs: Add dependency table to maintainance page 6bc95c386 Add hugo.Deps 19d0b5e23 docs. Regen CLI docs 76a750d96 docs: Regenerate CLI docs 70156962a docs: Regenerate docshelper git-subtree-dir: docs git-subtree-split: 93f7baf80bd03176ad44701cd2452433d492ea0b
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| title | description | date | publishdate | lastmod | categories | menu | keywords | signature | workson | hugoversion | relatedfuncs | deprecated | aliases | ||||||||||||
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| union | Given two arrays or slices, returns a new array that contains the elements or objects that belong to either or both arrays/slices. | 2017-02-01 | 2017-02-01 | 2017-03-12 |
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Given two arrays (or slices) A and B, this function will return a new array that contains the elements or objects that belong to either A or to B or to both. The elements supported are strings, integers, and floats (only float64).
{{ union (slice 1 2 3) (slice 3 4 5) }}
<!-- returns [1 2 3 4 5] -->
{{ union (slice 1 2 3) nil }}
<!-- returns [1 2 3] -->
{{ union nil (slice 1 2 3) }}
<!-- returns [1 2 3] -->
{{ union nil nil }}
<!-- returns an error because both arrays/slices have to be of the same type -->
OR filter in where query
This is also very useful to use as OR filters when combined with where:
{{ $pages := where .Site.RegularPages "Type" "not in" (slice "page" "about") }}
{{ $pages := $pages | union (where .Site.RegularPages "Params.pinned" true) }}
{{ $pages := $pages | intersect (where .Site.RegularPages "Params.images" "!=" nil) }}
The above fetches regular pages not of page or about type unless they are pinned. And finally, we exclude all pages with no images set in Page params.
See intersect for AND.