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array.concat() function

content/flux/v0/stdlib/array/concat.md

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<!------------------------------------------------------------------------------ IMPORTANT: This page was generated from comments in the Flux source code. Any edits made directly to this page will be overwritten the next time the documentation is generated. To make updates to this documentation, update the function comments above the function definition in the Flux source code: https://github.com/influxdata/flux/blob/master/stdlib/array/array.flux#L76-L76 Contributing to Flux: https://github.com/influxdata/flux#contributing Fluxdoc syntax: https://github.com/influxdata/flux/blob/master/docs/fluxdoc.md ------------------------------------------------------------------------------->

array.concat() appends two arrays and returns a new array.

Neither input array is mutated and a new array is returned.

Function type signature
js
(<-arr: [A], v: [A]) => [A]

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

arr

First array. Default is the piped-forward array (<-).

v

({{< req >}}) Array to append to the first array.

Examples

Merge two arrays

js
import "array"

a = [1, 2, 3]
b = [4, 5, 6]

c = a |> array.concat(v: b)

// Returns [1, 2, 3, 4, 5, 6]
// Output each value in the array as a row in a table
array.from(rows: c |> array.map(fn: (x) => ({_value: x})))

{{< expand-wrapper >}} {{% expand "View example output" %}}

Output data

_value
1
2
3
4
5
6

{{% /expand %}} {{< /expand-wrapper >}}