---------- Forwarded message ---------- From: Karl Forner <karl.for...@gmail.com> Date: Wed, Sep 15, 2010 at 10:14 AM Subject: Re: [Rd] warning or error upon type/storage mode coercion? To: Stefan Evert <stefa...@collocations.de>
I'm a Perl fan, and I really really miss the "use strict" feature. IMHO it's very error-prone not to have thios safety net. Best, On Wed, Sep 15, 2010 at 9:54 AM, Stefan Evert <stefa...@collocations.de>wrote: > > On 15 Sep 2010, at 03:23, Benjamin Tyner wrote: > > > 2. So, assuming the answer to (1) is a resounding "no", does anyone care > to state an opinion regarding the philosophical or historical rationale for > why this is the case in R/S, whereas certain other interpreted languages > offer the option to perform strict type checking? Basically, I'm trying to > explain to someone from a perl background why the (apparent) lack of a "use > strict; use warnings;" equivalent is not a hindrance to writing bullet-proof > R code. > > If they're from a Perl background, you might also want to point out to them > that (base) Perl doesn't do _any_ type checking at all, and converts types > as needed. As in ... > > $x = "0.0"; > if ($x) ... # true > if ($x+0) ... # false > > AFAIK, that's one of the main complaints that people have about Perl. "use > strict" will just make sure that all variables have to be declared before > they're used, so you can't mess up by mistyping variable names. Which is > something I'd very much like to have in R occasionally ... > > Best, > Stefan > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
