# Meaning of "..." in plot(f, extrema(xs)...)

**URL:** <https://discourse.julialang.org/t/meaning-of-in-plot-f-extrema-xs/86427>\
**Category:** General Usage\
**Tags:** question\
**Created:** [August 27, 2022, 12:01pm UTC](https://discourse.julialang.org/t/meaning-of-in-plot-f-extrema-xs/86427 "2022-08-27T12:01:45Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![rsimic](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rsimic/32/39147_2.png) [@rsimic](https://discourse.julialang.org/u/rsimic)\
**Post date:** [August 27, 2022, 12:01pm UTC](https://discourse.julialang.org/t/meaning-of-in-plot-f-extrema-xs/86427/1 "2022-08-27T12:01:45Z")

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what does it mean 3 dots (…) after vector, example extrema([1, 2, 3])…

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<div class="post-metadata">

**Author:** ![gustaphe](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gustaphe/32/18174_2.png) [@gustaphe](https://discourse.julialang.org/u/gustaphe)\
**Post date:** [August 27, 2022, 12:04pm UTC](https://discourse.julialang.org/t/meaning-of-in-plot-f-extrema-xs/86427/2 "2022-08-27T12:04:56Z")

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That’s the splat operator.

```julia
plot(f, (0, 10)...) == plot(f, 0, 10)

```

I think of it as “peeling” a collection.