On Tue, 20 Jan 2015 17:59:38 +0000 JC via Digitalmars-d-learn <digitalmars-d-learn@puremagic.com> wrote:
> The following code throws a
> core.exception.InvalidMemoryOperationError@(0), anyone have an
> idea of what is causing it?
>
> ---
>
> import std.stdio;
>
> class Test
> {
> this()
> {
> struct Start
> {
> string filename;
> }
> Message!(Start)(Start("one.txt"));
> }
>
> ~this()
> {
> struct Stop
> {
> string filename;
> }
> Message!(Stop)(Stop("one.txt"));
> }
> }
>
> unittest
> {
> auto t = new Test();
> }
>
> struct Message(T)
> {
> this(T message)
> {
> writeln(typeid(T));
> writeln(message);
> }
`writeln` can allocate.
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