package elpi

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ELPI - Embeddable λProlog Interpreter

Install 

dune-project
 Dependency

github.com Readme Changelog Edit opam file Versions (19)

Authors

  1. C
    Claudio Sacerdoti Coen
  2. E
    Enrico Tassi

Maintainers

  1. E
    Enrico Tassi <enrico.tassi@inria.fr>

Sources

elpi-3.4.3.tbz
sha256=d9bcd4cd43bf3ecd6ec471c8cd0c74a542e67bdba96310418207a7c5a42b77e2
sha512=7ecc6d298332d01a84daa3d91ac28cd6c4cbf9f5f6cf025313580577f87b6781cbbf7fed3fdee470562b1b2a5b58865dd00878efd21be294e462810b578d8ace

doc/elpi.util/Elpi_util/Util/Hashtbl/Make/argument-1-H/index.html

Parameter Make.H

type t

The type of the hashtable keys.

val equal : t -> t -> bool

The equality predicate used to compare keys.

val hash : t -> int

A hashing function on keys. It must be such that if two keys are equal according to equal, then they have identical hash values as computed by hash. Examples: suitable (equal, hash) pairs for arbitrary key types include

  • ((=), hash) for comparing objects by structure (provided objects do not contain floats)
  • ((fun x y -> compare x y = 0), hash) for comparing objects by structure and handling Stdlib.nan correctly
  • ((==), hash) for comparing objects by physical equality (e.g. for mutable or cyclic objects).