https://github.com/jw3126/single.jl

Contains single function
https://github.com/jw3126/single.jl

julia

Last synced: 11 months ago
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Contains single function

• Host: GitHub
• URL: https://github.com/jw3126/single.jl
• Owner: jw3126
• License: other
• Created: 2018-06-07T18:47:22.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2018-06-07T18:57:59.000Z (about 8 years ago)
• Last Synced: 2025-04-05T04:26:57.244Z (about 1 year ago)
• Topics: julia
• Language: Julia
• Size: 4.88 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

          
# Single

![](https://travis-ci.org/jw3126/Single.jl.svg?branch=master)

Return the single element of a container. Stolen from [here](https://github.com/JuliaLang/julia/pull/25078).

```julia

julia> using Single

julia> single([])

ERROR: ArgumentError: Collection is empty, must contain exactly one element

julia> single(["TheHighlander"])

"TheHighlander"

julia> single([1,2])

ERROR: ArgumentError: Collection has multiple elements, must contain exactly one element

julia> single([], "default")

"default"

```