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RE: Strong versus (weak|runtime) typing

• To: "Sean McGrath" <sean.mcgrath@p...>,<xml-dev@l...>
• Subject: RE: Strong versus (weak|runtime) typing
• From: "Dare Obasanjo" <dareo@m...>
• Date: Wed, 12 Feb 2003 13:07:43 -0800
• Thread-index: AcLS1w1LrVDpJNQLTE2cB3fJ4d2uLQAAflCA
• Thread-topic: Strong versus (weak|runtime) typing

Static Typing - Type of variables must be declared at compile time (e.g.
C++)
Dynamic Typing - Type of variables determined from usage at runtime
(e.g. JavaScript) 
Strong Typing - Variables cannot be coerced to unrelated types. (e.g.
Java) 
Weak Typing -  Variables can be coerced to unrelated types. (e.g. C) 

These are the definitions I've seen in writings from academia over the
past few years. 

-----Original Message-----
From: Sean McGrath [mailto:sean.mcgrath@p...] 
Sent: Wednesday, February 12, 2003 12:37 PM
To: Dare Obasanjo; xml-dev@l...
Subject: RE:  Strong versus (weak|runtime) typing


Dare,

I'm intrigued. How would you define "weak typing"?

Sean

At 12:05 12/02/2003 -0800, Dare Obasanjo wrote:
>I'm impressed by the fact that neither the interviewer nor the 
>interviewer seem to be able to tell the difference between strong vs. 
>weak typing and static vs. dynamic typing. It is especially amusing to 
>see someone claim that Smalltalk is "weakly typed".
>
>As for what this argument has to do with the XML arguments on strong 
>vs. weak typing I'd assumed it was obvious. The people who process XML 
>with strongly typed languages (e.g. Java & C# folks) are all about 
>strongly typed XML while those who process it with weakly typed 
>languages (Perl & Python folks) are for weak typing in XML. Or at least

>that has been the case in the XML-DEV discussions I've seen.
>
>-----Original Message-----
>From: Sean McGrath [mailto:sean.mcgrath@p...]
>Sent: Wednesday, February 12, 2003 11:20 AM
>To: xml-dev@l...
>Subject:  Strong versus (weak|runtime) typing
>
>
>An interesting interview with the great man himself, Guido van Rossum, 
>creator of Python. http://www.artima.com/intv/strongweak.html
>
>Is the strong/weak/runtime typing argument over XML any different from 
>that debate in programming languages.
>
>I dunno.
>
>Sean
>
>
>http://seanmcgrath.blogspot.com
>
>
>
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http://seanmcgrath.blogspot.com

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