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80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
// generated by gotemplate
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package opt
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import (
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"fmt"
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"github.com/mailru/easyjson/jlexer"
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"github.com/mailru/easyjson/jwriter"
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)
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// template type Optional(A)
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// A 'gotemplate'-based type for providing optional semantics without using pointers.
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type Uint16 struct {
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V uint16
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Defined bool
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}
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// Creates an optional type with a given value.
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func OUint16(v uint16) Uint16 {
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return Uint16{V: v, Defined: true}
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}
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// Get returns the value or given default in the case the value is undefined.
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func (v Uint16) Get(deflt uint16) uint16 {
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if !v.Defined {
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return deflt
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}
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return v.V
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}
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// MarshalEasyJSON does JSON marshaling using easyjson interface.
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func (v Uint16) MarshalEasyJSON(w *jwriter.Writer) {
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if v.Defined {
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w.Uint16(v.V)
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} else {
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w.RawString("null")
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}
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}
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// UnmarshalEasyJSON does JSON unmarshaling using easyjson interface.
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func (v *Uint16) UnmarshalEasyJSON(l *jlexer.Lexer) {
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if l.IsNull() {
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l.Skip()
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*v = Uint16{}
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} else {
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v.V = l.Uint16()
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v.Defined = true
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}
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}
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// MarshalJSON implements a standard json marshaler interface.
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func (v Uint16) MarshalJSON() ([]byte, error) {
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w := jwriter.Writer{}
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v.MarshalEasyJSON(&w)
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return w.Buffer.BuildBytes(), w.Error
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}
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// UnmarshalJSON implements a standard json unmarshaler interface.
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func (v *Uint16) UnmarshalJSON(data []byte) error {
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l := jlexer.Lexer{Data: data}
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v.UnmarshalEasyJSON(&l)
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return l.Error()
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}
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// IsDefined returns whether the value is defined, a function is required so that it can
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// be used in an interface.
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func (v Uint16) IsDefined() bool {
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return v.Defined
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}
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// String implements a stringer interface using fmt.Sprint for the value.
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func (v Uint16) String() string {
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if !v.Defined {
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return "<undefined>"
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}
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return fmt.Sprint(v.V)
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}
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