33 lines
777 B
Go
33 lines
777 B
Go
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package validate
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import (
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"errors"
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"fmt"
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)
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// MaxLength validates the length of a string as being less than or equal to a given maximum.
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func MaxLength(l int) func(string) error {
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return func(value string) error {
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if len(value) > l {
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if l != 1 {
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return fmt.Errorf("Must not be longer than %d characters", l)
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}
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return errors.New("Must not be longer than 1 character")
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}
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return nil
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}
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}
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// MinLength validates the length of a string as being greater than or equal to a given minimum.
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func MinLength(l int) func(string) error {
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return func(value string) error {
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if len(value) < l {
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if l != 1 {
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return fmt.Errorf("Must not be shorter than %d characters", l)
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}
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return errors.New("Must not be shorter than 1 character")
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}
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return nil
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}
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}
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