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Add template function slice

--- a/docs/content/templates/functions.md

+++ b/docs/content/templates/functions.md

@@ -75,6 +75,18 @@

+### slice

+

+`slice` allows you to create an array (`[]interface{}`) of all arguments that you pass to this function.

+

+One use case is the concatenation of elements in combination with `delimit`:

+

+```html

+{{ delimit (slice "foo" "bar" "buzz") ", " }}

+<!-- returns the string "foo, bar, buzz" -->

+```

+

+

 ### echoParam

 Prints a parameter if it is set.

--- a/tpl/template_funcs.go

+++ b/tpl/template_funcs.go

@@ -105,6 +105,11 @@

 	return dict, nil

 }

+// slice returns a slice of all passed arguments

+func slice(args ...interface{}) []interface{} {

+	return args

+}

+

 func compareGetFloat(a interface{}, b interface{}) (float64, float64) {

 	var left, right float64

 	var leftStr, rightStr *string

@@ -1558,6 +1563,7 @@

 		"seq":          helpers.Seq,

 		"shuffle":      shuffle,

 		"singularize":  singularize,

+		"slice":        slice,

 		"slicestr":     slicestr,

 		"sort":         sortSeq,

 		"split":        split,