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Union with a empty Pages results in empty Pages #3686

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vjeantet opened this Issue Jul 8, 2017 · 0 comments

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vjeantet commented Jul 8, 2017

Hello, i have strange behavior trying to union .Pages and .Sections when the last set of the two is empty.
{{ $pages := .Pages | union .Sections }}

When .Pages.Len > 1 and .Sections.Len = 0 (empty)
Then $pages.Len = 0

Expected $pages.Len == .Pages.Len

Current workaround is

{{ .Scratch.Set "pages" .Pages }}
{{ if .Sections}}
   {{ .Scratch.Set "pages" (.Pages | union .Sections) }}
{{end}}
{{ $pages := (.Scratch.Get "pages") }}

--
Hugo 0.25

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