Encoding (email_message.email_message.kernel.Email_message_kernel.Octet

type known = [

| `Base64
| `Bit7
| `Bit8
| `Binary
| `Quoted_printable

]

Text or binary are the type of the plaintext. For Base64, if the mode is text, '\n' is turned into '\r\n' when encoding, and vice versa.

val sexp_of_known : known -> Sexplib0.Sexp.t

val compare_known : known -> known -> int

val hash_fold_known : 
  Ppx_hash_lib.Std.Hash.state ->
  known ->
  Ppx_hash_lib.Std.Hash.state

val hash_known : known -> Ppx_hash_lib.Std.Hash.hash_value

type t = [

| known
| `Unknown of string

]

val sexp_of_t : t -> Sexplib0.Sexp.t

val compare : t -> t -> int

include Ppx_hash_lib.Hashable.S_any with type t := t

val hash_fold_t : t Ppx_hash_lib.hash_fold

val hash : t -> Ppx_hash_lib.Std.Hash.hash_value

val default : known

val default' : t

val of_headers_or_default : ?ignore_base64_for_multipart:bool -> Headers.t -> t

Determine an encoding based on email headers. ignore_base64_for_multipart is useful because some clients can't read RFCs and incorrectly indicate a transfer encoding of base64 for multipart messages.

include Core.Stringable.S with type t := t

val of_string : string -> t

val to_string : t -> string