Structures.Structure
A structure S is a non recursive inductive type with a single constructor
type projection = {
proj_name : Names.Name.t; | (* field name *) |
proj_true : bool; | (* false for primitive records *) |
proj_canonical : bool; | (* false = not to be used for CS inference *) |
proj_body : Names.Constant.t option; | (* the projection function *) |
}
A projection to a structure field
val make : Environ.env -> Names.inductive -> projection list -> t
val register : t -> unit
val subst : Mod_subst.substitution -> t -> t
val rebuild : Environ.env -> t -> t
refreshes nparams, e.g. after section discharging
val find : Names.inductive -> t
find isp
returns the Structure.t associated to the inductive path isp
if it corresponds to a structure, otherwise it fails with Not_found
val find_from_projection : Names.Constant.t -> t
raise Not_found
if not a structure projection
val find_projections : Names.inductive -> Names.Constant.t option list
lookup_projections isp
returns the projections associated to the inductive path isp
if it corresponds to a structure, otherwise it fails with Not_found
val projection_nparams : Names.Constant.t -> int
raise Not_found
if not a projection
val is_projection : Names.Constant.t -> bool