Bjørn Erik Pedersen e27fd4c1b8 tpl/collections: Add collections.Append ... Before this commit you would typically use `.Scratch.Add` to manually create slices in a loop. With variable overwrite in Go 1.11, we can do better. This commit adds the `append` template func. A made-up example: ```bash {{ $p1 := index .Site.RegularPages 0 }}{{ $p2 := index .Site.RegularPages 1 }} {{ $pages := slice }} {{ if true }} {{ $pages = $pages | append $p2 $p1 }} {{ end }} ``` Note that with 2 slices as arguments, the two examples below will give the same result: ```bash {{ $s1 := slice "a" "b" | append (slice "c" "d") }} {{ $s2 := slice "a" "b" | append "c" "d" }} ``` Both of the above will give `[]string{a, b, c, d}`. This commit also improves the type handling in the `slice` template function. Now `slice "a" "b"` will give a `[]string` slice. The old behaviour was to return a `[]interface{}`. Fixes #5190		2018-09-14 10:12:08 +02:00
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collections.go	tpl/collections: Add collections.Append	2018-09-14 10:12:08 +02:00