Go templates: How do I access array item (arr[2]) in templates?

Question

How do I access an array item (e.g. a[2]) in templates?

Whenever I do this I get "bad character U+005B '['"

{{ .a[2] }}

Dockage

Answer 1

to access a field on an array item as go templating in *.yaml format :

{{ (index .Values.fields 0).fieldItem }}

Index of zero(0) as in fields array of field as fieldItem .

Maxillary

Answer 2

You need to use the index template function.

{{index .a 2}}

Odom

To access a field on an array item use {{ (index .a 2).field }}. – Kassala

@Kassala what if field is an variable? .$field doesn't work – Wolfenbarger

@Wolfenbarger Wrap it in another index {{ index (index .a 2) $field }} – Pteridology