Aneurin Barker Snook
28 lines
683 B
Go
28 lines
683 B
Go
package validate
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// Validation error.
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var (
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ErrMustBeLonger = NewError("must be at least %d characters")
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ErrMustBeShorter = NewError("must be no more than %d characters")
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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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return ErrMustBeShorter.With(l)
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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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return ErrMustBeLonger.With(l)
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}
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return nil
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}
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}
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