From: Paul Brannan <paul@...>
Date: 2002-03-13T01:38:23+09:00
Subject: Re: Some potential RCRs

On Wed, Mar 13, 2002 at 01:26:44AM +0900, Bob Alexander wrote:
> "p" method should return its last argument, unconverted.

This would be useful for debugging.

> A "println" method.

How would println differ from puts?

(Currently, puts appends a newline if there is not one already there;
would println always append a newline, even if there is one already
there?)

> The built-in Mutex object should be nestable.
> 
> Acquiring a mutex in nested contexts in the same thread should not
> cause deadlock. It doesn't seem appropriate for a language at Ruby's
> level to have a non-nestable Mutex, and it is a pothole for program
> errors.

As an alternative, I would suggest a wrapper around the current Mutex
object.  There's a name for this kind of mutex, but I can't remember
what it is.

Paul