}

func (d *Format) ConvertToType(typeVal ref.Type) ref.Val {
	switch typeVal {
	case FormatType:
		return d
	case types.TypeType:
		return FormatType
	default:
		return types.NewErr("type conversion error from '%s' to '%s'", FormatType, typeVal)
	}
}

func (d *Format) Equal(other ref.Val) ref.Val {
	otherDur, ok := other.(*Format)
	if !ok {
		return types.MaybeNoSuchOverloadErr(other)
	}

	variablesMap.Append("dict", func(_ *MapValue) ref.Val {
		evalCounter++
		v, err := compileAndRun(env, activation, `{"a": "a"}`)
		if err != nil {
			return types.NewErr(err.Error())
		}
		return v
	})

	// iterate the map with .all
	exp = `variables.all(n, n != "")`
	v, err = compileAndRun(env, activation, exp)
	if err != nil {
		t.Fatalf("%q: %v", exp, err)
	}

				defer close(signalChan)

				buf := make([]byte, 256)
				n, err := client.Read(buf)

				if test.checkRenegotiationError != nil {
					newErr := test.checkRenegotiationError(i, err)
					if err != nil && newErr == nil {
						return
					}
					err = newErr
				}

				if err != nil {
					t.Errorf("Client.Read failed after renegotiation #%d: %s", i, err)
					return
				}

				buf = buf[:n]