package opam-format

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Module OpamFile.SwitchSelectionsSource

A newer format for switch state, using the opam file syntax rather than a table. This is more readable and extensible.

include IO_FILE with type t := t
Sourceval format_version : OpamVersion.t
Sourceval empty : t

Empty file

Sourceval write : t typed_file -> t -> unit

Write some contents to a file

Sourceval read : t typed_file -> t

Read file contents. Raise an error if the file does not exist.

Sourceval read_opt : t typed_file -> t option

Returns None on non-existing file

Sourceval safe_read : t typed_file -> t

Read file contents. Return empty if the file does not exist.

Sourceval read_from_channel : ?filename:t typed_file -> in_channel -> t
Sourceval read_from_string : ?filename:t typed_file -> string -> t
Sourceval write_to_channel : ?filename:t typed_file -> out_channel -> t -> unit
Sourceval write_to_string : ?filename:t typed_file -> t -> string
Sourcemodule BestEffort : BestEffortRead with type t := t