OpamFile.URLinclude IO_FILEval format_version : OpamVersion.tval empty : tEmpty file
val write : t typed_file -> t -> unitWrite some contents to a file
val read : t typed_file -> tRead file contents. Raise an error if the file does not exist.
val read_opt : t typed_file -> t optionReturns None on non-existing file
val safe_read : t typed_file -> tRead file contents. Return empty if the file does not exist.
val read_from_channel : ?filename:t typed_file -> in_channel -> tval read_from_string : ?filename:t typed_file -> string -> tval write_to_channel : ?filename:t typed_file -> out_channel -> t -> unitval write_to_string : ?filename:t typed_file -> t -> stringval create : ?mirrors:OpamTypes.url list -> ?checksum:OpamHash.t list -> ?subpath:string -> OpamTypes.url -> tval url : t -> OpamTypes.urlURL address
val mirrors : t -> OpamTypes.url listval checksum : t -> OpamHash.t listArchive checksum
val with_url : OpamTypes.url -> t -> tConstructor
val with_checksum : OpamHash.t list -> t -> tval subpath : t -> string option