trick for default funcmap

trick for default funcmap.go

package main
import (
    "os"
    "text/template"
    "strings"
)

func main() {
    fmap := template.FuncMap{
                "split": strings.Split,

    }
    t := template.Must(template.New("abc").Funcs(fmap).Parse(
`
{{- $z := (split (index . "sage_distribution_features") ",") -}}
{{- if (eq (index $z 0) "task-controller") or (eq (index $z 1) "task-controller") or (eq (index $z 2) "task-controller") or (eq (index $z 3) "task-controller") or (eq (index $z 4) "task-controller") or (eq (index $z 5) "task-controller") or (eq (index $z 6) "task-controller") or (eq (index $z 7) "task-controller") or (eq (index $z 8) "task-controller") -}}
aaaaaaaaaaaaaaaaaaaa
{{- else -}}
bbbbbbbbbbbbbbbbbbbb
{{- end -}}
`))
    a := make(map[string]string)
    //a["xby"] = "iii"
    a["sage_distribution_features"] = "task-controller,xyz"
    t.Execute(os.Stdout, a)
}