Re: a compliation error

From:
 James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Fri, 09 Nov 2007 11:22:02 -0000
Message-ID:
<1194607322.186274.283640@50g2000hsm.googlegroups.com>
On Nov 9, 7:29 am, "multics.cn" <multics...@gmail.com> wrote:

I have one line in my cpp source file.

void (**fa)(char,float) = new (void [](char,float));

I tried gcc and vc express, both result in compliation error:

g++ gives:
error: creating array of functions

vc express gives:
error C2092: 'abstract declarator' array element type cannot be
function

Can any one help on the error information?


The error messages seem pretty clear to me. "void
[](char,float)" has the type "array of function...", and you
can't have an array of functions. Given the declaration on the
left, you probably want "void (*[n])(char,float)", and array of
pointers to functions. And you'll have to specify the size of
the array in a new expression, of course. Whence the n.

Much better, of course, would be to use vector:

    std::vector< void(*)( char, float ) > v ;

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