package coq

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Formal proof management system

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Dune Dependency

coq.inria.fr Edit opam file Versions (38)

Authors

T

The Coq development team, INRIA, CNRS, and contributors.

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coqdev@inria.fr

Sources

coq-8.16.0.tar.gz

sha256=36577b55f4a4b1c64682c387de7abea932d0fd42fc0cd5406927dca344f53587

doc/coq-core.engine/Logic_monad/NonLogical/index.html

Module `Logic_monad.NonLogical`Source

The non-logical monad is a simple unit -> 'a (i/o) monad. The operations are simple wrappers around corresponding usual operations and require little documentation.

include Monad.S

include Monad.Def

type +'a t

val return : 'a -> 'a t

val (>>=) : 'a t -> ('a -> 'b t) -> 'b t

val (>>) : unit t -> 'a t -> 'a t

val map : ('a -> 'b) -> 'a t -> 'b t

The monadic laws must hold:

(x>>=f)>>=g = x>>=fun x' -> (f x'>>=g)
return a >>= f = f a
x>>=return = x

As well as the following identities:

x >> y = x >>= fun () -> y
map f x = x >>= fun x' -> f x'

module List : Monad.ListS with type 'a t := 'a t

Sourceval ignore : 'a t -> unit t

Sourcetype 'a ref

Sourceval ref : 'a -> 'a ref t

Pervasives.(:=)

Sourceval (:=) : 'a ref -> 'a -> unit t

Pervasives.(!)

Sourceval (!) : 'a ref -> 'a t

Sourceval read_line : string t

Sourceval print_char : char -> unit t

Sourceval print_debug : Pp.t -> unit t

Loggers. The buffer is also flushed.

Sourceval print_warning : Pp.t -> unit t

Sourceval print_notice : Pp.t -> unit t

Sourceval print_info : Pp.t -> unit t

Sourceval raise : Exninfo.iexn -> 'a t

Pervasives.raise. Except that exceptions are wrapped with Exception.

Sourceval catch : 'a t -> (Exninfo.iexn -> 'a t) -> 'a t

try ... with ... but restricted to Exception.

Sourceval timeout : float -> 'a t -> 'a option t

Sourceval make : (unit -> 'a) -> 'a t

Construct a monadified side-effect. Exceptions raised by the argument are wrapped with Exception.

Sourceval run : 'a t -> 'a

run performs effects.