const encoding/json.scanObjectKey

4 uses

	encoding/json (current package)
		decode.go#L755: 		if d.opcode != scanObjectKey {
		decode.go#L1109: 		if d.opcode != scanObjectKey {
		scanner.go#L119: 	scanObjectKey           // just finished object key (string)
		scanner.go#L295: 			return scanObjectKey