package coq

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Formal proof management system

Install

Dune Dependency

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

Authors

T

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

Maintainers

C

coqdev@inria.fr

Sources

coq-8.15.2.tar.gz

sha256=13a67c0a4559ae22e9765c8fdb88957b16c2b335a2d5f47e4d6d9b4b8b299926

doc/coq-core.lib/LStream/index.html

Module `LStream`Source

Extending streams with a (non-canonical) location function

Sourcetype 'a t

Sourceval from : ?loc:Loc.t -> (int -> ('a * Loc.t) option) -> 'a t

Sourceval current_loc : 'a t -> Loc.t

Returning the loc of the last consumed element or the initial loc if no element is consumed

Sourceval max_peek_loc : 'a t -> Loc.t

Returning the loc of the max visited element or the initial loc if no element is consumed

Sourceval interval_loc : int -> int -> 'a t -> Loc.t

Returning the loc starting after element bp (counting from 0) and spanning up to already peeked element at position ep, under the assumption that bp <= ep; returns an empty interval if bp = ep; returns the empty initial interval if additionally bp = 0; fails if the elements have not been peeked yet

Sourceval get_loc : int -> 'a t -> Loc.t

Return location of an already peeked element at some position counting from 0; fails if the element has not been peeked yet

Lifted usual function on streams

Sourceval count : 'a t -> int

Sourceval peek : 'a t -> 'a option

Sourceval npeek : int -> 'a t -> 'a list

Sourceval junk : 'a t -> unit

consumes the next element if there is one

Sourceval next : 'a t -> 'a

next strm returns and consumes the next element; raise Stream.Failure if the stream is empty

Other functions

Sourceval peek_nth : int -> 'a t -> 'a

peek_nth n strm returns the nth element counting from 0 without consuming the stream; raises Stream.Failure if not enough elements