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Diffstat (limited to 'docs/content/en/functions/seq.md')
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1 files changed, 13 insertions, 35 deletions
diff --git a/docs/content/en/functions/seq.md b/docs/content/en/functions/seq.md index a880ec241..75edf5d2d 100644 --- a/docs/content/en/functions/seq.md +++ b/docs/content/en/functions/seq.md @@ -1,50 +1,28 @@ --- title: seq -# linktitle: -description: Creates a sequence of integers. -date: 2017-02-01 -publishdate: 2017-02-01 -lastmod: 2017-02-01 +description: Returns a slice of integers. categories: [functions] menu: docs: - parent: "functions" + parent: functions keywords: [] signature: ["seq LAST", "seq FIRST LAST", "seq FIRST INCREMENT LAST"] -workson: [] -hugoversion: relatedfuncs: [] -deprecated: false -draft: false -aliases: [] --- -It's named and used in the model of [GNU's seq]. - -``` -3 → 1, 2, 3 -1 2 4 → 1, 3 --3 → -1, -2, -3 -1 4 → 1, 2, 3, 4 -1 -2 → 1, 0, -1, -2 +```go-html-template +{{ seq 2 }} → [1 2] +{{ seq 0 2 }} → [0 1 2] +{{ seq -2 2 }} → [-2 -1 0 1 2] +{{ seq -2 2 2 }} → [-2 0 2] ``` -## Example: `seq` with `range` and `after` - -You can use `seq` in combination with `range` and `after`. The following will return 19 elements: +Iterate over a sequence of integers: -``` -{{ range after 1 (seq 20)}} +```go-html-template +{{ $product := 1 }} +{{ range seq 4 }} + {{ $product = mul $product . }} {{ end }} +{{ $product }} → 24 ``` - -However, when ranging with an index, the following may be less confusing in that `$indexStartingAt1` and `$num` will return `1,2,3 ... 20`: - -``` -{{ range $index, $num := (seq 20) }} -$indexStartingAt1 := (add $index 1) -{{ end }} -``` - - -[GNU's seq]: https://www.gnu.org/software/coreutils/manual/html_node/seq-invocation.html#seq-invocation |