[Bug 152] New: static assert fails with recursive templates
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Tue May 23 00:43:15 PDT 2006
http://d.puremagic.com/bugzilla/show_bug.cgi?id=152
Summary: static assert fails with recursive templates
Product: D
Version: 0.157
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: bugzilla at digitalmars.com
ReportedBy: shro8822 at uidaho.edu
This hangs until the stack overflows:
template hang(int i)
{
static assert(0);
const int hang = hang!(i-1);
}
const int x = hang!(1);
This correctly asserts:
template hang()
{
static assert(0);
const int hang = hang!();
}
const int x = hang!();
My guess is that the static assert is evaluated after the next hang!(i)
is evaluated (e.i. never) If a terminating case is added and a pragma(msg,"")
put in, only the terminating case gets the assert.
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