50 lines
842 B
Go
50 lines
842 B
Go
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package flag
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import (
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"fmt"
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"strconv"
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"strings"
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)
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type IntSliceValue []int
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func NewIntSliceValue() IntSliceValue {
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arr := make([]int, 0, 3)
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return IntSliceValue(arr)
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}
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func (v IntSliceValue) String() string {
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var builder strings.Builder
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for ind, value := range v {
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if ind == len(v)-1 {
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builder.WriteString(strconv.Itoa(value))
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} else {
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builder.WriteString(strconv.Itoa(value))
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builder.WriteString(", ")
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}
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}
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return builder.String()
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}
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func (v *IntSliceValue) Set(text string) error {
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value, err := strconv.Atoi(text)
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if err != nil {
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return fmt.Errorf("unable to parse the value to an integer: %w", err)
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}
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*v = append(*v, value)
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return nil
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}
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func (v IntSliceValue) Empty() bool {
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return len(v) == 0
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}
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func (v IntSliceValue) ExpectedLength(expectedLength int) bool {
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return len(v) == expectedLength
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}
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