Selective export (#770)

vendor/github.com/rs/zerolog/internal/json/base.go

@@ -0,0 +1,12 @@
+package json
+
+type Encoder struct{}
+
+// AppendKey appends a new key to the output JSON.
+func (e Encoder) AppendKey(dst []byte, key string) []byte {
+	if len(dst) > 1 && dst[len(dst)-1] != '{' {
+		dst = append(dst, ',')
+	}
+	dst = e.AppendString(dst, key)
+	return append(dst, ':')
+}