Convert to and from Hex strings.
fromString : String -> Result String Basics.Int
Convert a hexdecimal string such as "abc94f" to a decimal integer.
Hex.fromString "a5" == Ok 165
Hex.fromString "hat" == Err "invalid hexadecimal string"
toString : Basics.Int -> String
Convert a decimal integer to a hexdecimal string such as "abc94f"
.
Hex.toString 165 == "a5"