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Signature BASE64 (pkg github.com/diku-dk/sml-base64)

Library for base64 encoding and decoding.

structure Base64 : BASE64 (pkg github.com/diku-dk/sml-base64)

signature BASE64 = sig
  val encode : string -> string
  val decode : string -> string option
end

[encode s]

returns a base64-encoded representation of the string s.

[decode s]

returns SOME v if s is the base64-encoded representation of the string v. Returns NONE if s does not represent an encoded string.