JuliaCollections / JuliaCollections/DataStructures.jl

Creating a DisjointSets forest from a single symbol results in an infinite type loop.

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bug
Dominant language
Julia
Stars
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Forks
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Description

julia> DisjointSets(:a)
^CERROR: InterruptException:
Stacktrace:
 [1] DisjointSets{Any}(::Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Tuple{Symbol}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}) 

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue with DisjointSets(:a) and inspect the DisjointSets constructor methods involved in the displayed stack trace. Done means constructing a single-symbol forest terminates normally instead of entering an infinite type loop.

Written by the indexing model from the issue text.

Assessment

Tech stack
julia
Domain
data
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
40/100

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