(*val from_channel : in_channel -> ('?, '?, [`HasMapping]) t*)
(** Read a previously saved memory map. If the input channel does
not contain a memory map, this raises [Invalid_argument]. *)
(*val from_channel : in_channel -> ('?, '?, [`HasMapping]) t*)
(** Read a previously saved memory map. If the input channel does
not contain a memory map, this raises [Invalid_argument]. *)