package logtk

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Core types and algorithms for logic

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Authors

Maintainers

S

simon.cruanes.2007@m4x.org

Sources

2.0.tar.gz

md5=7a8e57388083ed763d12d18324c8a086

sha512=5c5ac312ada6b42907d1e91e349454a8375f7bf8165d3459721a40b707a840a3d6b3dc968a66f1040cb4de7aedf5c1c13f3e90b51337eae5ea6de41651d7bd63

doc/logtk/Logtk/HVar/index.html

Module `Logtk.HVar`

Hashconsed Variable

A variable for hashconsed terms, paired with a type. Such a 'ty HVar.t is really a pair (int, 'ty): the integer is used to be able to have several variables in the same clause, the type is because in typed logic we must know the type of variables before unifying/binding them.

type +'a t = private {

id : int;
ty : 'a;

}

type 'a hvar = 'a t

val make : ty:'a -> int -> 'a t

val id : _ t -> int

val ty : 'a t -> 'a

val cast : 'a t -> ty:'b -> 'b t

val update_ty : 'a t -> f:('a -> 'b) -> 'b t

val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int

val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool

val hash : _ t -> int

val max : 'a t -> 'a t -> 'a t

val min : 'a t -> 'a t -> 'a t

val pp : _ t CCFormat.printer

val pp_tstp : _ t CCFormat.printer

val to_string : _ t -> string

val to_string_tstp : _ t -> string

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Hashconsed Variable