# ++ operator?

**URL:** <https://discourse.julialang.org/t/operator/6041>\
**Category:** General Usage\
**Tags:** question\
**Created:** [September 22, 2017, 4:16pm UTC](https://discourse.julialang.org/t/operator/6041 "2017-09-22T16:16:04Z")\
**Posts on this page:** 3\
**Page:** 1

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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:** [September 22, 2017, 4:16pm UTC](https://discourse.julialang.org/t/operator/6041/1 "2017-09-22T16:16:05Z")

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The [documentation](https://docs.julialang.org/en/latest/manual/mathematical-operations/#Operator-Precedence-and-Associativity-1) for master mentions an operator `++`. I can see that it is [parsed](https://github.com/JuliaLang/julia/blob/master/src/julia-parser.scm), but what does it do?

I am aware of [#11868](https://github.com/JuliaLang/julia/pull/11868), but other infix operators are also parsed (and left undefined), so I don’t see why `++` is mentioned explicitly in the precedence discussions.

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**Author:** ![yuyichao](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/yuyichao/32/20_2.png) [@yuyichao](https://discourse.julialang.org/u/yuyichao)\
**Post date:** [September 22, 2017, 4:34pm UTC](https://discourse.julialang.org/t/operator/6041/2 "2017-09-22T16:34:16Z")

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No predefined meaning. AFAICT the reason it’s mentioned is pretty clear. The note that mentions them does not apply to any random operators.

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**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [September 23, 2017, 4:17am UTC](https://discourse.julialang.org/t/operator/6041/3 "2017-09-23T04:17:14Z")

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It’s for one of the most core Julia packages.

[https://github.com/pkofod/PlusPlus.jl](https://github.com/pkofod/PlusPlus.jl)