func datacentersFunc(b *Brain, used, missing *dep.Set) func(ignore ...bool) ([]string, error) {
	return func(i ...bool) ([]string, error) {
		result := []string{}

		var ignore bool
		switch len(i) {
		case 0:
			ignore = false
		case 1:
			ignore = i[0]
		default:
			return result, fmt.Errorf("datacenters: wrong number of arguments, expected 0 or 1"+
				", but got %d", len(i))
		}

		d, err := dep.NewCatalogDatacentersQuery(ignore)
		if err != nil {
			return result, err
		}

		used.Add(d)

		if value, ok := b.Recall(d); ok {
			return value.([]string), nil
		}

		missing.Add(d)

		return result, nil
	}
}
func datacentersFunc(b *Brain, used, missing *dep.Set) func(ignore ...bool) ([]string, error) {
	return func(i ...bool) ([]string, error) {
		result := []string{}

		var ignore bool
		switch len(i) {
		case 0:
			ignore = false
		case 1:
			ignore = i[0]
		default:
			return result, fmt.Errorf("datacenters: wrong number of arguments, expected 0 or 1"+
				", but got %d", len(i))
		}

		d, err := dep.NewCatalogDatacentersQuery(ignore)
		if err != nil {
			return result, err
		}

		used.Add(d)

		if value, ok := b.Recall(d); ok {
			return value.([]string), nil
		}

		missing.Add(d)

		return result, nil
	}
}
func datacentersFunc ( b * Brain , used , missing * dep . Set ) func ( ignore ... bool ) ( [ ] string , error ) { return func ( i ... bool ) ( [ ] string , error ) { result := [ ] string { } var ignore bool switch len ( i ) { case 0 : ignore = false case 1 : ignore = i [ 0 ] default : return result , fmt . Errorf ( " " + " " , len ( i ) ) } d , err := dep . NewCatalogDatacentersQuery ( ignore ) if err != nil { return result , err } used . Add ( d ) if value , ok := b . Recall ( d ) ; ok { return value . ( [ ] string ) , nil } missing . Add ( d ) return result , nil } }
// datacentersFunc returns or accumulates datacenter dependencies.
datacentersFunc returns or accumulates datacenter dependencies .