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20 lines
671 B
20 lines
671 B
3 years ago
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package json
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// JSONMarshalFunc is used to marshal interface to JSON encoded byte slice.
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// Making it package level instead of embedded in Encoder brings
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// some extra efforts at importing, but avoids value copy when the functions
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// of Encoder being invoked.
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// DO REMEMBER to set this variable at importing, or
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// you might get a nil pointer dereference panic at runtime.
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var JSONMarshalFunc func(v interface{}) ([]byte, error)
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type Encoder struct{}
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// AppendKey appends a new key to the output JSON.
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func (e Encoder) AppendKey(dst []byte, key string) []byte {
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if dst[len(dst)-1] != '{' {
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dst = append(dst, ',')
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}
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return append(e.AppendString(dst, key), ':')
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}
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