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Ruby, 15 bytes ->a{a.all?a[0]} ->a{ } # lambda taking array `a` a.all? # do all items in the array match... a[0] # ...the first? Try it online!
#1: Initial revision
by
snail_
·
2021-09-07T22:05:43Z (about 5 years ago)
# [Ruby], 15 bytes
```ruby
->a{a.all?a[0]}
->a{ } # lambda taking array `a`
a.all? # do all items in the array match...
a[0] # ...the first?
```
[Try it online!][TIO-ktambyyg]
[Ruby]: https://www.ruby-lang.org/
[TIO-ktambyyg]: https://tio.run/##KypNqvyfZvtf1y6xOlEvMSfHPjHaILb2f0FpSbFCmp5GtKEOFMZqcsEFDcBCZjrmyIIoKmI1/wMA "Ruby – Try It Online"