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Merge commit '13e64d72763bf8d6d92d4cdfc15ed45ee9debfab'

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Bjørn Erik Pedersen
2018-09-14 08:35:23 +02:00
parent 9b26b5487b 13e64d7276
commit b7ca3e1b3a
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22
docs/content/en/functions/intersect.md
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@@ -19,27 +19,7 @@ deprecated: false
aliases: []
---
The elements supported are strings, integers, and floats (only float64).
A useful example of `intersect` functionality is a "related posts" block. `isset` allows us to create a list of links to other posts that have tags that intersect with the tags in the current post.
The following is an example of a "related posts" [partial template][partials] that could be added to a [single page template][single]:
{{< code file="layouts/partials/related-posts.html" download="related-posts.html" >}}
<ul>
{{ $page_link := .Permalink }}
{{ $tags := .Params.tags }}
{{ range .Site.Pages }}
{{ $page := . }}
{{ $has_common_tags := intersect $tags .Params.tags | len | lt 0 }}
{{ if and $has_common_tags (ne $page_link $page.Permalink) }}
<li><a href="{{ $page.Permalink }}">{{ $page.Title }}</a></li>
{{ end }}
{{ end }}
</ul>
{{< /code >}}
This is also very useful to use as `AND` filters when combined with where:
An useful example is to use it as `AND` filters when combined with where:
```
{{ $pages := where .Site.RegularPages "Type" "not in" (slice "page" "about") }}