Re: Pointers to "why C behaves like that ?"

"Peter Flass" <peter_flass@yahoo.com>
1 Dec 2002 22:37:13 -0500

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From: "Peter Flass" <peter_flass@yahoo.com>
Newsgroups: comp.compilers
Date: 1 Dec 2002 22:37:13 -0500
Organization: Road Runner
References: 02-11-059 02-11-071 02-11-083 02-11-091 02-11-155
Keywords: types, practice
Posted-Date: 01 Dec 2002 22:37:13 EST

David Thompson wrote:
> In PL/I also, as already noted, declarations can be omitted if the
> default is correct, but if present can occur anywhere even after
> reference; I don't recall seeing any good use for this except nested
> PROCs.


There are lots, but one significant one is to allow declarations and
executable code in macros, which can be placed anywhere in a program.
Since we're talking about not forcing humans to do what can be done by
machine, I would count not forcing a specific placement of
declarations here also.


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