it's just for readability!
1_000 is similar to 1000
> puts "x" * 20
xxxxxxxxxxxxxxxxxxxx
it just duplicates a string multiple times (in this case 20)
> --- Ursprüngliche Nachricht ---
> Von: EdUarDo <eduardo.yanezNOSPAM@NOSPAMgmail.com>
> An: ruby-talk@ruby-lang.org (ruby-talk ML)
> Betreff: [newbie] What means 1_000_000
> Datum: Wed, 5 Apr 2006 17:53:47 +0900
>
> Hi all,
> trying ri and reading documentation for Benchmark I've seen an example
> that says:
>
> Benchmark.measure {"a"*1_000_000}
>
> What's that literall? I've tried to do it with 1000000 instead of
> 1_000_000 and
> it works too.
>
> And what means the expression "a"*1000000? What do that?
>