http://d.puremagic.com/issues/show_bug.cgi?id=10843
Summary: Combinatorial problem of struct & alias this & null
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from SHOO <[email protected]> 2013-08-17 22:03:19 PDT ---
These tree samples don't work:
------------------
unittest
{
static struct HANDLE
{
void* h;
alias h this;
}
//HANDLE a = null; // NG
HANDLE a;
a = null; // OK
}
unittest
{
static struct HANDLE
{
void* h;
alias h this;
this(void* h) { this.h = h; }
}
HANDLE a = null; // OK
static void foo(HANDLE h){}
//foo(null); // NG
}
unittest
{
static struct HANDLE
{
void* h;
alias h this;
this(void* h) { this.h = h; }
}
static struct WSAEVENT
{
HANDLE h;
alias h this;
this(HANDLE h) { this.h = h; }
}
auto a = cast(HANDLE)null; // OK
//auto b = cast(WSAEVENT)null; // NG
}
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