# Proposal for SharedFunctions.jl package for optional dependency management

**URL:** <https://discourse.julialang.org/t/proposal-for-sharedfunctions-jl-package-for-optional-dependency-management/23526>\
**Category:** Internals & Design\
**Created:** [April 25, 2019, 5:18pm UTC](https://discourse.julialang.org/t/proposal-for-sharedfunctions-jl-package-for-optional-dependency-management/23526 "2019-04-25T17:18:42Z")\
**Posts on this page:** 1\
**Showing post:** 29

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**Author:** ![Tamas\_Papp](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tamas_papp/32/25949_2.png) [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Post date:** [April 26, 2019, 1:54pm UTC](https://discourse.julialang.org/t/proposal-for-sharedfunctions-jl-package-for-optional-dependency-management/23526/29 "2019-04-26T13:54:30Z")

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Note that many of the themes recurring this topic were discussed in

> [@Function name conflict: ADL / function merging?](https://discourse.julialang.org/t/function-name-conflict-adl-function-merging/10335/):
>
> Is there any reason why Julia needs me to fully qualify the function name when the argument types are clear and there shouldn’t be any problem with multiple dispatch? Case 1: load JuliaDB before defining Foo julia\> using JuliaDB julia\> stack( stack(t::D) where D\<:Union{IndexedTables.NDSparse, IndexedTables.NextTable} in IndexedTables at /Users/tomkwong/.julia/v0.6/IndexedTables/src/reshape.jl:32 stack(t::D, by; select, variable, value) where D\<:Union{IndexedTables.NDSparse, IndexedTables.Next…

I think it is worth re-reading, it is full of excellent points.

What changed since is that we got Pkg(3) and the new registry functionality, so making small interface packages is simpler than ever.

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