From: Vladimir Van Bauenhoffer <cluny_gisslaren@...>
Date: 2011-09-13T14:57:35+09:00
Subject: Re: Any downsides to writing paranthesises?

Chad Perrin wrote in post #1021546:
> To my knowledge, there is no technical difference for executing code
> between when it has parentheses and when it lacks them, as long as you
> don't run into precedence problems.

What does precedence problems mean exactly?

>For instance, these two lines of
> code have the same effects when executed:
>
>     Dir.glob("*txt")
>     Dir.glob "*txt"
>
> These two, however, do not:
>
>     Dir.glob("txt").map {|x| x.sub(/foo/, 'bar') }
>     Dir.glob "txt".map {|x| x.sub(/foo/, 'bar') }

Does that mean you have to use paranthesises if you want to use the code
above?

> You seem unaware that to_a and length, in the above example provided by
> hex, *are* methods.

Yeah Im facepalming right now, of course they are methods. Silly me.

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