# \[WIP\] SimpleLazyGraphs.jl - add vertices and edges as needed

**URL:** <https://discourse.julialang.org/t/wip-simplelazygraphs-jl-add-vertices-and-edges-as-needed/84326>\
**Category:** Package Announcements\
**Tags:** question, package, graphs\
**Created:** [July 16, 2022, 6:17pm UTC](https://discourse.julialang.org/t/wip-simplelazygraphs-jl-add-vertices-and-edges-as-needed/84326 "2022-07-16T18:17:57Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![acxz](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/acxz/32/16759_2.png) [@acxz](https://discourse.julialang.org/u/acxz)\
**Post date:** [July 16, 2022, 7:02pm UTC](https://discourse.julialang.org/t/wip-simplelazygraphs-jl-add-vertices-and-edges-as-needed/84326/6 "2022-07-16T19:02:40Z")

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I think understanding this thread: [Composition and inheritance: the Julian way](https://discourse.julialang.org/t/composition-and-inheritance-the-julian-way/11231) may give me the answers I need.  
Maybe Graphs.jl would also need some PRs to make some of their methods dispatch on AbstractSimpleGraph instead of the concrete SimpleGraph?

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