41 lines
897 B
Go
41 lines
897 B
Go
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package rfc8259fractionalnumber
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import (
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"fmt"
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"sourcecode.social/reiver/go-opt"
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)
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// FractionalNumber represents the numbers:
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// 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,....
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//
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// I.e., the set of positive-integers with zero.
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//
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// From IETF RFC-8259 FractionalNumber represents the following:
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//
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// int = zero / ( digit1-9 *DIGIT )
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type FractionalNumber struct {
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opt.Optional[string]
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}
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func Nothing() FractionalNumber {
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return FractionalNumber{opt.Nothing[string]()}
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}
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func Something(value string) FractionalNumber {
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return FractionalNumber{opt.Something(value)}
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}
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func (receiver FractionalNumber) GoString() string {
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switch receiver {
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case Nothing():
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return "rfc8259fractionalnumber.Nothing()"
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default:
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value, found := receiver.Get()
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if !found {
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return fmt.Sprintf("--INTERNAL-ERROR--")
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}
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return fmt.Sprintf("rfc8259fractionalnumber.Something(%#v)", value)
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}
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}
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