Re: gcc interprets C++0x initialization construct as function declaration‏

Jeffrey Walton noloader@gmail.com
Wed Jan 5 00:30:00 GMT 2011


2011/1/4 Nathan Ridge <zeratul976@hotmail.com>:
>
>
> Hello,
>
> For the following code:
>
> struct S
> {
>    int a;
>    float b;
> };
>
> struct T
> {
>    T(S s) {}
> };
>
> int main()
> {
>    T t(S{1, 0.1}); // ERROR HERE
> }
>
> gcc 4.6 trunk gives the following errors (with the --std=c++0x option):
>
> decl.cpp: In function 'int main()':
> decl.cpp:14:10: error: expected ')' before '{' token
> decl.cpp:14:10: error: a function-definition is not allowed here before '{' token
> decl.cpp:14:18: error: expected primary-expression before ')' token
> decl.cpp:14:18: error: expected ';' before ')' token
>
> It seems gcc is interpreting the statement as a function declaration.
>
> Is this the desired behaviour?
Try T t(S(1, 0.1));

I'm not sure C++0X would help (see Intializer Lists at
http://www2.research.att.com/~bs/C++0xFAQ.html)

Jeff



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