37 lines
619 B
Go
37 lines
619 B
Go
package internal
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type Kind uint
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const (
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KindUnknown Kind = iota
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KindBuy
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KindSell
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KindSplit
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sentinelKind
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)
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// String returns a unique string value for Kind k
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func (k Kind) String() string {
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switch k {
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case KindBuy:
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return "buy"
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case KindSell:
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return "sell"
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case KindSplit:
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return "split"
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default:
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return "unknown"
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}
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}
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// Valid returns true if k is an accepted value for the Kind type
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func (k Kind) Valid() bool {
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return k > 0 && k < sentinelKind
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}
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// Is returns true when k and o are valid and equal.
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func (k Kind) Is(o any) bool {
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other, ok := o.(Kind)
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return ok && k.Valid() && k == other
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}
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