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August 26, 2010 [Issue 4727] New: Passing std.concurrency.receive() a function of type Variant causes a static assert | ||||
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http://d.puremagic.com/issues/show_bug.cgi?id=4727 Summary: Passing std.concurrency.receive() a function of type Variant causes a static assert Product: D Version: D2 Platform: x86 OS/Version: Mac OS X Status: NEW Severity: major Priority: P2 Component: Phobos AssignedTo: nobody@puremagic.com ReportedBy: itsallaboutthedyo@gmail.com --- Comment #0 from Tim Keating <itsallaboutthedyo@gmail.com> 2010-08-25 21:00:53 PDT --- Example 13.6.2 from The D Programming Language (p. 405; trivial example of using a function that takes a single Variant type as a "catch all" message handler) does not compile for me. This is using DMD 2.048 and Phobos dated 8/10/10. The compile error occurs in the static assert on line 385 of concurrency.d. As far as I can tell, the assert says "if we have only one param, and it's a variant, die." Seems to me it needs an additional clause, "... and this isn't the last element in the T array". -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
August 26, 2010 [Issue 4727] Passing std.concurrency.receive() a function of type Variant causes a static assert | ||||
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Posted in reply to Tim Keating | http://d.puremagic.com/issues/show_bug.cgi?id=4727 --- Comment #1 from Tim Keating <itsallaboutthedyo@gmail.com> 2010-08-25 21:02:49 PDT --- Shoot, that's what i < T.length does. Hmm, not sure why this is blowing up, then. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
August 26, 2010 [Issue 4727] Passing std.concurrency.receive() a function of type Variant causes a static assert | ||||
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Posted in reply to Tim Keating | http://d.puremagic.com/issues/show_bug.cgi?id=4727 --- Comment #2 from Tim Keating <itsallaboutthedyo@gmail.com> 2010-08-25 21:20:31 PDT --- Ah, it's an off-by-one error. The index is 0-based, but T.length is 1-based. That expression should be: if ( i < T.length-1 ) -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
August 26, 2010 [Issue 4727] Passing std.concurrency.receive() a function of type Variant causes a static assert | ||||
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Posted in reply to Tim Keating | http://d.puremagic.com/issues/show_bug.cgi?id=4727 --- Comment #3 from Tim Keating <itsallaboutthedyo@gmail.com> 2010-08-25 21:36:31 PDT --- ... and that if might want to be a static if also. I'm not sure why straight "if" wasn't working for me, but it was not successfully evaluating the comparison, so it would still get into the inner block when i == T.length-1 (confirmed by doing a static assert (i != T.length-1), which failed). Changing that to a static if seemed to make it work, however. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
December 10, 2011 [Issue 4727] Passing std.concurrency.receive() a function of type Variant causes a static assert | ||||
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Posted in reply to Tim Keating | http://d.puremagic.com/issues/show_bug.cgi?id=4727 klickverbot <code@klickverbot.at> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |code@klickverbot.at Resolution| |FIXED --- Comment #4 from klickverbot <code@klickverbot.at> 2011-12-10 13:16:41 PST --- Fixed in commit b78bc4c59d8d9c87f55659baf277fce4960de7db resp. since 2.053. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
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