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JuliaCollections

14 indexed repositories · View on GitHub

DataStructures.jl
Julia implementation of Data structures

Julia · 745 stars
AbstractTrees.jl
Abstract julia interfaces for working with trees

Julia · 243 stars
Memoize.jl
＠memoize macro for Julia

Julia · 198 stars
IterTools.jl
Common functional iterator patterns

Julia · 160 stars
FunctionalCollections.jl
Functional and persistent data structures for Julia

Julia · 126 stars
OrderedCollections.jl
Julia implementation of associative containers that preserve insertion order

Julia · 114 stars
LRUCache.jl
An implementation of an LRU Cache in Julia

Julia · 78 stars
SortingAlgorithms.jl
extra sorting algorithms extending Julia's sorting API

Julia · 54 stars
Bijections.jl
Bijection datatype for Julia.

Julia · 49 stars
Collects.jl
Collect the elements of a given collection into a collection of the given type. Generalizes `collect`! Implement for types you own!

Julia · 22 stars
PropertyDicts.jl

Julia · 5 stars
AxisArraysFuture
Planning a future replacement for AxisArrays.jl

4 stars
Tries.jl

Julia · 1 star
Roadmap
Roadmap for the JuliaContainers organization

0 stars

Beginner friendly Everything

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Deprecation warning for `_unsetindex!` for Julia 1.14 nightly Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

JuliaCollections/DataStructures.jl#986 · Opened Sep 11, 2026
JLD2 fails to deserialize nested OrderedDict after OrderedCollections upgrade Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

JuliaCollections/OrderedCollections.jl#173 · Opened Aug 31, 2026
Slow compilation Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaCollections/Memoize.jl#98 · 4 comments · Opened Aug 16, 2026
Deprecation warning on nightly Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

JuliaCollections/OrderedCollections.jl#172 · Opened Aug 14, 2026
a slighly uncanny `UndefRefError` with default-empty SortedSet Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

JuliaCollections/DataStructures.jl#969 · 6 comments · Opened May 2, 2026
No bejectiveness-check present? Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

JuliaCollections/Bijections.jl#55 · Opened Apr 23, 2026
difference from `collect`: Collects.jl just uses `typejoin`, not `promote_typejoin` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaCollections/Collects.jl#74 · Opened Apr 10, 2026
allow using promotion instead of `typejoin` Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaCollections/Collects.jl#73 · Opened Apr 9, 2026
Segfault with OrderedDict using non-isbits inline-allocated keys on Julia 1.12 Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

JuliaCollections/OrderedCollections.jl#162 · Opened Apr 7, 2026
stable docs link not working Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/Collects.jl#70 · 1 comment · Opened Feb 28, 2026
make the package not depend on world-splitting Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/Collects.jl#69 · Opened Feb 17, 2026
do not put the type argument of any method into a method static type parameter without good reason Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaCollections/Collects.jl#68 · Opened Feb 17, 2026
docs: cover common gotchas regarding empty collections Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaCollections/Collects.jl#67 · Opened Feb 17, 2026
test: cover stateful iterators Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaCollections/Collects.jl#64 · Opened Feb 15, 2026
allow caller to provide size hint Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/Collects.jl#55 · 1 comment · Opened Feb 14, 2026
Add array interface to ordered dicts ? Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

JuliaCollections/OrderedCollections.jl#158 · Opened Dec 8, 2025
Fixed size container for buffer in CircularDeque Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/DataStructures.jl#958 · 1 comment · Opened Oct 17, 2025
AVL Tree search is "slow" Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/DataStructures.jl#956 · Opened Sep 12, 2025
Add support for nested dicts Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaCollections/PropertyDicts.jl#19 · 2 comments · Opened Sep 4, 2025
New tagged release? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaCollections/AbstractTrees.jl#160 · 2 reactions · Opened Aug 22, 2025
IterTools.groupby doesn't group nonconsecutive elements together. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/IterTools.jl#127 · 1 comment · Opened Jul 24, 2025
append!(l1::MutableLinkedList, l2::MutableLinkedList) fails for empty l2 Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

JuliaCollections/DataStructures.jl#941 · Opened Jul 4, 2025
Add more dequeue methods Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/OrderedCollections.jl#154 · Opened Jun 24, 2025
Release v1.0.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaCollections/Bijections.jl#45 · 1 reaction · Opened Jun 17, 2025
for better inferred effects, avoid relying on `copyto!`? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/Collects.jl#39 · 2 comments · Opened Jun 14, 2025
maybe use `Base.@assume_effects :terminates_locally` for some loops, where safe Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaCollections/Collects.jl#36 · 1 comment · Opened Jun 11, 2025
for better inferred effects, avoid relying on `reshape(::Array, ::Vararg)`? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/Collects.jl#35 · 1 comment · Opened Jun 8, 2025
Rethink composition Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/Bijections.jl#30 · 7 comments · 1 reaction · Opened May 29, 2025
Project broken with v1.8.1? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaCollections/OrderedCollections.jl#153 · Opened May 22, 2025
collecting a tree iterator is horribly type unstable, with lots of run time dispatch, even when the element type is provided explicitly Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaCollections/AbstractTrees.jl#158 · 1 comment · Opened May 12, 2025
The hash value of ordered sets is order-dependent Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/OrderedCollections.jl#148 · 2 comments · Opened Apr 18, 2025
KeyError is thrown when delete!-ing a non-existent key. Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaCollections/LRUCache.jl#53 · Opened Apr 17, 2025
132 docstrings not included in the manual Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaCollections/DataStructures.jl#930 · Opened Mar 17, 2025
Splay tree amortized time issues Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaCollections/DataStructures.jl#923 · 3 comments · Opened Feb 22, 2025
`filter(f, keys(::OrderedDict))` gives an unordered `Set` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaCollections/OrderedCollections.jl#147 · Opened Feb 21, 2025
should `deleteat!` be implemented for `OrderedDict` ? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/OrderedCollections.jl#146 · Opened Dec 12, 2024
API of SortedContainer Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaCollections/DataStructures.jl#918 · 4 comments · Opened Nov 23, 2024
`@memoize` cannot handle unnamed arguments Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/Memoize.jl#88 · 1 comment · Opened Nov 3, 2024
Is `push!` implemented correctly? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/OrderedCollections.jl#118 · 6 comments · Opened Sep 25, 2024
Iteration over subsets of OrderedSet Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaCollections/OrderedCollections.jl#117 · Opened Sep 4, 2024
Resolve inconsistencies with functions startof, endof, firstindex, lastindex Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaCollections/DataStructures.jl#910 · 2 comments · 1 reaction · Opened Aug 13, 2024
append!, prepend!, and other functions on deques Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaCollections/DataStructures.jl#909 · Opened Jul 18, 2024
OrderedDict should rehash on deepcopy (like Dict does) Open

good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

JuliaCollections/OrderedCollections.jl#115 · Opened Apr 20, 2024
DefaultDict accessor fails when the default is not the value type Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/DataStructures.jl#901 · 4 comments · Opened Mar 25, 2024
printing broad trees should truncate Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/AbstractTrees.jl#144 · Opened Mar 3, 2024
show function of binary tree structure (a solution is given). Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaCollections/DataStructures.jl#887 · 2 reactions · Opened Dec 29, 2023
Confused about docs Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaCollections/DataStructures.jl#885 · 3 comments · Opened Dec 18, 2023
Feature request: std::partition Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaCollections/SortingAlgorithms.jl#81 · 7 comments · Opened Dec 1, 2023
searchsortedbefore - reverse of searchsortedafter Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/DataStructures.jl#879 · 2 comments · Opened Nov 2, 2023
stackoverflow on comparisons for long linked lists Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaCollections/DataStructures.jl#878 · Opened Oct 29, 2023

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