[ruby-core:77205] [Ruby trunk Feature#12734] `Array#flat?`

From: mail@...
Date: 2016-09-07 10:29:58 UTC
List: ruby-core #77205
Issue #12734 has been reported by Stefan Schテシテ殕er.

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Feature #12734: `Array#flat?`
https://bugs.ruby-lang.org/issues/12734

* Author: Stefan Schテシテ殕er
* Status: Open
* Priority: Normal
* Assignee: 
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It might be useful to have a method that determines whether an array is flat, i.e. one-dimensional.

~~~ruby
[1, 2, 3].flat?   #=> true
[1, [2, 3]].flat? #=> false
~~~

The result should be equivalent to `ary == ary.flatten` (without the overhead of actually flattening the array)



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