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dijkstra 0.1.0 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-threads        base
base-unix           base
camlp5              7.14        Preprocessor-pretty-printer of OCaml
conf-findutils      1           Virtual package relying on findutils
conf-perl           2           Virtual package relying on perl
coq                 8.7.1+1     Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.07.1      Official release 4.07.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
# This file is generated by dune, edit dune-project instead
opam-version: "2.0"
synopsis: "A Verified Implementation of Dijkstra's Algorithm"
maintainer: ["Masayuki Mizuno <mizuno@wantedly.com>"]
authors: ["Masayuki Mizuno <mizuno@wantedly.com>"]
license: "MIT"
homepage: "https://github.com/fetburner/coq-dijkstra"
bug-reports: "https://github.com/fetburner/coq-dijkstra/issues"
depends: [
  "dune" {>= "2.5"}
  "coq" {>= "8.8"}
  "coq-mathcomp-ssreflect" {>= "1.11"}
]
build: [
  ["dune" "subst"] {pinned}
  [
    "dune"
    "build"
    "-p"
    name
    "-j"
    jobs
    "@install"
    "@runtest" {with-test}
    "@doc" {with-doc}
  ]
]
dev-repo: "git+https://github.com/fetburner/coq-dijkstra.git"
tags: [
  "keyword:graph theory"
  "keyword:shortest path"
  "keyword:Dijkstra's algorithm"
  "category:Computer Science/Graph Theory"
  "date:2021-03-02"
  "logpath:Dijkstra"
]
url {
  src: "https://github.com/fetburner/coq-dijkstra/archive/0.1.0.tar.gz"
  checksum: "md5=ba5b8f156d209b428eaafe75436bee97"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-dijkstra.0.1.0 coq.8.7.1+1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.7.1+1).
The following dependencies couldn't be met:
  - coq-dijkstra -> coq >= 8.8 -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
No solution found, exiting

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

Command: opam remove -y coq; opam install -y --show-action --unlock-base coq-dijkstra.0.1.0
Return code: 0

Install dependencies

Command: true
Return code: 0
Duration: 0 s

Install 🚀

Command: true
Return code: 0
Duration: 0 s

Installation size

No files were installed.

Uninstall 🧹

Command: true
Return code: 0
Missing removes: none
Wrong removes: none