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package correlation
import "bytes"
const base62Chars string = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
// encodeReverseBase62 encodes num into its Base62 reversed representation.
// The most significant value is at the end of the string.
//
// Appending is faster than prepending and this is enough for the purpose of a random ID.
func encodeReverseBase62(num int64) string {
if num == 0 {
return "0"
}
encoded := bytes.Buffer{}
for q := num; q > 0; q /= 62 {
encoded.Write([]byte{base62Chars[q%62]})
}
return encoded.String()
}
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