35 lines
919 B
Go
35 lines
919 B
Go
package option
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import "strconv"
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// EnumNull is the value used to represent JSON null.
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// It should never be used as a value, as it won't get serialized as such.
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const EnumNull = -1
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// Enum is a nullable version of a uint8.
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// Enum values should only consist of positive values, as negative values are reserved for internal constants, such as
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// EnumNull.
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// This also mean that only 7 of the 8 Bit will be available for storage.
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type Enum int8
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// Int8ToJSON converts the passed Enum to a byte slice with it's JSON representation.
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func EnumToJSON(i Enum) []byte {
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if i == EnumNull {
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return []byte("null")
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} else {
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return []byte(strconv.Itoa(int(i)))
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}
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}
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// Int8FromJSON decodes the Enum stored as JSON src the passed byte slice.
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func EnumFromJSON(b []byte) (Enum, error) {
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s := string(b)
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if s == "null" {
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return EnumNull, nil
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} else {
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i, err := strconv.ParseUint(s, 10, 7)
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return Enum(i), err
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}
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}
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