dune._stdune
Stdune.Either
Left or right
dune._caml
dune._dune_lang
dune._ocaml_config
dune._which-program
dune.configurator
which_program_dune
which_program_jbuilder
type ('a, 'b) t =
| Left of 'a
| Right of 'b
val map : ('a, 'b) t -> l:('a -> 'c) -> r:('b -> 'c) -> 'c