shithub: hugo

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tpl/collections: Allow first function to return an empty slice

Fixes #5235

--- a/docs/content/en/functions/first.md

+++ b/docs/content/en/functions/first.md

@@ -25,3 +25,5 @@

     {{ .Render "summary" }}

 {{ end }}

 ```

+

+*Note: Exclusive to `first`, LIMIT can be '0' to return an empty array.*

--- a/tpl/collections/collections.go

+++ b/tpl/collections/collections.go

@@ -215,8 +215,8 @@

 		return nil, err

 	}

-	if limitv < 1 {

-		return nil, errors.New("can't return negative/empty count of items from sequence")

+	if limitv < 0 {

+		return nil, errors.New("can't return negative count of items from sequence")

 	}

 	seqv := reflect.ValueOf(seq)

--- a/tpl/collections/collections_test.go

+++ b/tpl/collections/collections_test.go

@@ -256,6 +256,7 @@

 		{int64(2), []int{100, 200, 300}, []int{100, 200}},

 		{100, []int{100, 200}, []int{100, 200}},

 		{"1", []int{100, 200, 300}, []int{100}},

+		{0, []string{"h", "u", "g", "o"}, []string{}},

 		{int64(-1), []int{100, 200, 300}, false},

 		{"noint", []int{100, 200, 300}, false},

 		{1, nil, false},