B0_ocaml.MetaMetadata keys
val requires : B00_ocaml.Lib.Name.t list B0_meta.keyrequires on a build unit specifies the OCaml libraries needed to compile a unit.
val library : B00_ocaml.Lib.Name.t B0_meta.keylibrary on a build unit specifies that the unit defines the library with the given name.
val mod_srcs : B00_ocaml.Mod.Src.t B00_ocaml.Mod.Name.Map.t B00_std.Fut.t B0_meta.keyFIXME quick hack this should not be in meta.
val supported_code : built_code B0_meta.keysupported_code indicates which backend code the unit supports. If the meta is unspecified this assumes `All.
val needs_code : built_code B0_meta.keyneeds_code indicates the unit unconditionally needs a given code build.