Structs with pointers?
Dmitry Olshansky
dmitry.olsh at gmail.com
Sun Jan 23 02:00:47 PST 2011
On 23.01.2011 2:02, bearophile wrote:
>> Is this another compiler bug?
> The situation is nice:
>
> struct Foo1 {}
> struct Foo2 { int x; }
> const struct Foo3 { int* p; }
> struct Foo4 { int* p; }
> void bar1(Foo1 f) {}
> void bar2(Foo2 f) {}
> void bar3(Foo3 f) {}
> void bar4(Foo4 f) {}
> void main() {
> const f1 = Foo1();
> bar1(f1); // no error
> const f2 = Foo2();
> bar2(f2); // no error
> const f3 = Foo3();
> bar3(f3); // no error
> const f4 = Foo4();
> bar4(f4); // error
> }
>
> Bye,
> bearophile
The first two are actually OK, since you pass a copy of a value type
FooX to barX.
If signature was void bar(ref FooX) then it should have failed.
But the third makes me wonder what the *** is going on.
--
Dmitry Olshansky
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