Aneurin Barker Snook
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package validate
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var (
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ErrMustBeGreater = NewError("must be greater than %v")
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ErrMustBeGreaterOrEqual = NewError("must be greater than or equal to %v")
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ErrMustBeLess = NewError("must be less than %v")
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ErrMustBeLessOrEqual = NewError("must be less than or equal to %v")
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)
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// Max validates whether an integer is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func Max(n int, exclusive bool) func(int) error {
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return func(value int) error {
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if exclusive {
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if value >= n {
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return ErrMustBeLess.With(n)
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}
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}
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if value > n {
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return ErrMustBeLessOrEqual.With(n)
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}
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return nil
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}
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}
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// MaxFloat32 validates whether a float32 is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func MaxFloat32(n float32, exclusive bool) func(float32) error {
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return func(value float32) error {
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if exclusive {
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if value >= n {
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return ErrMustBeLess.With(n)
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}
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}
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if value > n {
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return ErrMustBeLessOrEqual.With(n)
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}
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return nil
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}
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}
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// MaxFloat64 validates whether a float64 is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func MaxFloat64(n float64, exclusive bool) func(float64) error {
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return func(value float64) error {
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if exclusive {
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if value >= n {
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return ErrMustBeLess.With(n)
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}
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}
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if value > n {
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return ErrMustBeLessOrEqual.With(n)
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}
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return nil
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}
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}
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// Min validates whether an integer is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func Min(n int, exclusive bool) func(int) error {
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return func(value int) error {
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if exclusive {
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if value <= n {
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return ErrMustBeGreater.With(n)
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}
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}
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if value < n {
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return ErrMustBeGreaterOrEqual.With(n)
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}
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return nil
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}
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}
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// MinFloat32 validates whether a float32 is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func MinFloat32(n float32, exclusive bool) func(float32) error {
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return func(value float32) error {
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if exclusive {
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if value <= n {
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return ErrMustBeGreater.With(n)
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}
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}
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if value < n {
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return ErrMustBeGreaterOrEqual.With(n)
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}
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return nil
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}
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}
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// MinFloat64 validates whether a float64 is less than or equal to a given maximum.
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// If exclusive is true, an equal value will also produce an error.
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func MinFloat64(n float64, exclusive bool) func(float64) error {
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return func(value float64) error {
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if exclusive {
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if value <= n {
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return ErrMustBeGreater.With(n)
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}
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}
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if value < n {
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return ErrMustBeGreaterOrEqual.With(n)
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}
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return nil
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}
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}
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