[Issue 7964] std.algorithm.swap is not CTFE-compatible for structs with non-trivial assignment

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=7964

berni44  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||bugzi...@d-ecke.de
 Resolution|--- |WORKSFORME

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[Issue 7964] std.algorithm.swap is not CTFE-compatible for structs with non-trivial assignment

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=7964

Andrei Alexandrescu  changed:

   What|Removed |Added

   Keywords||bootcamp
 CC||and...@erdani.com

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[Issue 7964] std.algorithm.swap is not CTFE-compatible for structs with non-trivial assignment

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=7964


Don clugd...@yahoo.com.au changed:

   What|Removed |Added

  Component|DMD |Phobos
   Platform|x86_64  |All
Summary|Organic Bug |std.algorithm.swap is not
   ||CTFE-compatible for structs
   ||with non-trivial assignment
 OS/Version|Linux   |All
   Severity|critical|normal


--- Comment #2 from Don clugd...@yahoo.com.au 2012-05-21 00:49:58 PDT ---
Changing to a Phobos bug because the error message is perfectly clear; there's
no compiler bug here, and nothing strange going on. Priority reduced from
critical to normal.

CTFE is complaining because std.algorithm.swap is doing a nasty hack. I'm not
sure if the hack is really valid for structs with postblit.

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[Issue 7964] std.algorithm.swap is not CTFE-compatible for structs with non-trivial assignment

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http://d.puremagic.com/issues/show_bug.cgi?id=7964


timon.g...@gmx.ch changed:

   What|Removed |Added

 CC||timon.g...@gmx.ch


--- Comment #3 from timon.g...@gmx.ch 2012-05-21 02:52:54 PDT ---
(In reply to comment #2)
 Changing to a Phobos bug because the error message is perfectly clear; there's
 no compiler bug here, and nothing strange going on. Priority reduced from
 critical to normal.
 
 CTFE is complaining because std.algorithm.swap is doing a nasty hack. I'm not
 sure if the hack is really valid for structs with postblit.

Postblit has to be called when a struct is copied, but not when it is moved.

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