# How high can Julia count? (code golf)

**URL:** <https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763>\
**Category:** General Usage\
**Created:** [June 18, 2018, 7:28pm UTC](https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763 "2018-06-18T19:28:05Z")\
**Posts on this page:** 4\
**Page:** 2

<div class="post-metadata">

**Author:** ![Keno](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/keno/32/285_2.png) [@Keno](https://discourse.julialang.org/u/Keno)\
**Post date:** [June 20, 2018, 5:36pm UTC](https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763/21 "2018-06-20T17:36:18Z")

</div>

```julia
julia> let i = big(2); Base.active_repl.interface.modes[1].on_done = (args...)->(println(i); i += 1); end; 1
1

julia>
2
julia>
3
julia>
4
julia>
5
julia>
6
julia>
7

```

---

<div class="post-metadata">

**Author:** ![Liso](https://avatars.discourse-cdn.com/v4/letter/l/898d66/32.png) [@Liso](https://discourse.julialang.org/u/Liso)\
**Post date:** [June 20, 2018, 6:30pm UTC](https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763/22 "2018-06-20T18:30:46Z")

</div>

It is probably not against the rules to reuse empty string in REPL! 😃 😃

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<div class="post-metadata">

**Author:** ![mbauman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mbauman/32/31082_2.png) [@mbauman](https://discourse.julialang.org/u/mbauman)\
**Post date:** [June 20, 2018, 7:11pm UTC](https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763/23 "2018-06-20T19:11:38Z")

</div>

Another handy tool here might be `@ __LINE__ `:

```julia
julia> @ __LINE__
1

julia>
       @ __LINE__
2

julia>

       @ __LINE__
3

```

---

<div class="post-metadata">

**Author:** ![Per](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/per/32/10387_2.png) [@Per](https://discourse.julialang.org/u/Per)\
**Post date:** [June 28, 2018, 12:35pm UTC](https://discourse.julialang.org/t/how-high-can-julia-count-code-golf/11763/24 "2018-06-28T12:35:34Z")

</div>

```julia
π\π
true<<true
3
∛Sys.WORD_SIZE
γ/γ + γ/γ + γ/γ + γ/γ + γ/γ
6
7
8
9
log(min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ)min(ℯ))
11
4444 & 44
φ*φ*φ÷φ*φ*φ*φ*φ*φ÷φ
c=cp==cp;T=[c c c c c c c c c c c c c c]⋅[c;c;c;c;c;c;c;c;c;c;c;c;c;c];T[c]
0xF⊻0
2^2^2
555>>5
'Y'-'G'

```

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