Fast and efficient encoding and decoding of base64-encoded strings.
Encode a string into base64 form. The result will always be a multiple of 4 bytes in length.
Decode a base64-encoded string. This function strictly follows the specification in RFC 4648, http://www.apps.ietf.org/rfc/rfc4648.html.
Decode a base64-encoded string. This function is lenient in following the specification from RFC 4648, http://www.apps.ietf.org/rfc/rfc4648.html, and will not generate parse errors no matter how poor its input.
String to intersperse and end with
Interval at which to intersperse, in bytes
String to transform
Efficiently intersperse a terminator string into another at regular intervals, and terminate the input with it.
joinWith "|" 2 "----" = "--|--|"
joinWith "\r\n" 3 "foobarbaz" = "foo\r\nbar\r\nbaz\r\n"