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)


> --- Ursprgliche 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?
>