Skip to content

GitLab

  • Menu
Projects Groups Snippets
  • Help
    • Help
    • Support
    • Community forum
    • Submit feedback
    • Contribute to GitLab
  • Sign in / Register
  • S stdpp
  • Project information
    • Project information
    • Activity
    • Labels
    • Members
  • Repository
    • Repository
    • Files
    • Commits
    • Branches
    • Tags
    • Contributors
    • Graph
    • Compare
  • Issues 70
    • Issues 70
    • List
    • Boards
    • Service Desk
    • Milestones
  • Merge requests 6
    • Merge requests 6
  • CI/CD
    • CI/CD
    • Pipelines
    • Jobs
    • Schedules
  • Deployments
    • Deployments
    • Releases
  • Analytics
    • Analytics
    • Value stream
    • CI/CD
    • Repository
  • Wiki
    • Wiki
  • Activity
  • Graph
  • Create a new issue
  • Jobs
  • Commits
  • Issue Boards
Collapse sidebar
  • Iris
  • stdpp
  • Issues
  • #139
Closed
Open
Created May 13, 2022 by Robbert Krebbers@robbertkrebbersMaintainer

Type class inference issue with `dom` and `exist_fresh`

From stdpp Require Import fin_sets gmap.

Lemma foo (m : gmap nat nat) : True.
Proof.
  destruct (exist_fresh (dom m)).
(*
Unable to satisfy the following constraints:
In environment:
m : gmap nat nat

?Dom : "Dom (gmap nat nat) (mapset.mapset' (pmap.Pmap ()))"
*)

See examples@6480bf00 (comment 80689)

Edited May 13, 2022 by Robbert Krebbers
Assignee
Assign to
Time tracking