On 14 December 2012 10:52, Irek Szczesniak <[email protected]> wrote:
> On Thu, Dec 13, 2012 at 3:06 AM, Roland Mainz <[email protected]> 
> wrote:
>> On Wed, Dec 12, 2012 at 4:02 PM, David Korn <[email protected]> wrote:
>>> cc: [email protected]
>>> Subject: Re: Re: [ast-developers] [rfe] typeset -B to define a (C99-like)  
>>> <stdbool.h> datatype
>>> --------
>>>
>>> Why bother with an alias?  Why not just create Bool as a predefined type?
>>
>> Erm... I had a couple of reasons:
>> 1. All basic ksh93 types modelled after C types (e.g. integer, float,
>> compound) are aliases to the real type definitions
>> 2. C99 (see the <stdbool.h> manpage quote in my earlier email) says
>> "... bool - Expands to _Bool..." ... which IMO makes sense since C99
>> allows to |#undef bool| and redefine it to something else. We can do
>> the same with $ unalias bool #.
>> 3. Irek suggested the same $ unalias bool # for the (very) unlikely
>> case ([a1]) that someone already uses "bool" as a command name
>
> Yes, that is IMO a useful feature

I agree with that conclusion.

Ced
-- 
Cedric Blancher <[email protected]>
Institute Pasteur
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