first works in a similar manner to the limit keyword in
SQL. It reduces the array to only the first N
elements. It takes the array and number of elements as input.
first takes two arguments:
number of elements
arrayorslice of maps or structs
{{< code file="layout/_default/section.html" >}}
{{ range first 10 .Pages }}
{{ .Render "summary" }}
{{ end }}
{{< /code >}}
Note: Exclusive to first, LIMIT can be '0' to return an empty array.
first and where Together
Using first and where together can be very
powerful. Below snippet gets a list of posts only from main
sections, sorts it by the title parameter, and then
ranges through only the first 5 posts in that list:
{{< code file="first-and-where-together.html" >}}
{{ range first 5 (where site.RegularPages "Type" "in" site.Params.mainSections).ByTitle }}
{{ .Content }}
{{ end }}
{{< /code >}}