package coq-core

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The Coq Proof Assistant -- Core Binaries and Tools

Install

Dune Dependency

coq.inria.fr Readme Edit opam file Versions (9)

Authors

T

The Coq development team, INRIA, CNRS, and contributors

Maintainers

T

The Coq development team <coqdev@inria.fr>

Sources

coq-8.20.1.tar.gz

md5=0cfaa70f569be9494d24c829e6555d46

sha512=8ee967c636b67b22a4f34115871d8f9b9114df309afc9ddf5f61275251088c6e21f6cf745811df75554d30f4cebb6682f23eeb2e88b771330c4b60ce3f6bf5e2

doc/coq-core.pretyping/Structures/Structure/index.html

Module `Structures.Structure`Source

A structure S is a non recursive inductive type with a single constructor

Sourcetype projection = {

proj_name : Names.Name.t;
(*
field name
*)
proj_true : bool;
(*
false = projection for a defined field (letin)
*)
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

Sourcetype t = {

name : Names.inductive;
projections : projection list;
nparams : int;

}

Sourceval make : Environ.env -> Names.inductive -> projection list -> t

Sourceval register : t -> unit

Sourceval subst : Mod_subst.substitution -> t -> t

Sourceval rebuild : Environ.env -> t -> t

refreshes nparams, e.g. after section discharging

Sourceval 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

Sourceval find_from_projection : Names.Constant.t -> t

raise Not_found if not a structure projection

Sourceval 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

Sourceval projection_nparams : Names.Constant.t -> int

raise Not_found if not a projection

Sourceval is_projection : Names.Constant.t -> bool

Sourceval projection_number : Environ.env -> Names.Constant.t -> int

projection_number env p returns the position of the projection p in the structure it corresponds to, counting from 0.