Re: const function() !!??
From: Andrey Tarasevich (andreytarasevich_at_hotmail.com)
Date: 12/30/04
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Date: Thu, 30 Dec 2004 10:46:29 -0800
Sundar wrote:
> Do we have something called a const function ? I thought applying the
> 'const' specifier to a function is meaningless...
You can't apply the 'const' specifier to a function in C. That would be
a syntax error.
> but when i tried
> defining a const function it worked !!
> like...
> const int func(int a)
> {
> int b;
> .....
> return b;
> }
This is not a 'const' function. In accordance with C syntax, this
'const' qualifier is applied to the return type of the function. I.e.
this function return type is 'const int'.
Syntactically, a naive attempt to apply a 'const' qualifier to a
function would look as follows
int (const func)(int a)
but this simply won't compile.
-- Best regards, Andrey Tarasevich
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