first commit

input/value/empty.go

@@ -0,0 +1,90 @@
+package value
+
+import (
+	"fmt"
+	"time"
+
+	"gitoa.ru/go-4devs/console/input"
+)
+
+type Empty struct{}
+
+func (e *Empty) Append(string) error {
+	return fmt.Errorf("%w: in empty value", input.ErrInvalidName)
+}
+
+func (e *Empty) String() string {
+	return ""
+}
+
+func (e *Empty) Int() int {
+	return 0
+}
+
+func (e *Empty) Int64() int64 {
+	return 0
+}
+
+func (e *Empty) Uint() uint {
+	return 0
+}
+
+func (e *Empty) Uint64() uint64 {
+	return 0
+}
+
+func (e *Empty) Float64() float64 {
+	return 0
+}
+
+func (e *Empty) Bool() bool {
+	return false
+}
+
+func (e *Empty) Duration() time.Duration {
+	return 0
+}
+
+func (e *Empty) Time() time.Time {
+	return time.Time{}
+}
+
+func (e *Empty) Strings() []string {
+	return nil
+}
+
+func (e *Empty) Ints() []int {
+	return nil
+}
+
+func (e *Empty) Int64s() []int64 {
+	return nil
+}
+
+func (e *Empty) Uints() []uint {
+	return nil
+}
+
+func (e *Empty) Uint64s() []uint64 {
+	return nil
+}
+
+func (e *Empty) Float64s() []float64 {
+	return nil
+}
+
+func (e *Empty) Bools() []bool {
+	return nil
+}
+
+func (e *Empty) Durations() []time.Duration {
+	return nil
+}
+
+func (e *Empty) Times() []time.Time {
+	return nil
+}
+
+func (e *Empty) Any() interface{} {
+	return nil
+}