[Issue 2992] std.typecons has unnecessary thread local globals

Sun May 17 19:56:20 PDT 2009

http://d.puremagic.com/issues/show_bug.cgi?id=2992

Andrei Alexandrescu <andrei at metalanguage.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrei at metalanguage.com

--- Comment #2 from Andrei Alexandrescu <andrei at metalanguage.com>  2009-05-17 19:56:20 PDT ---
(In reply to comment #1)
> On second thought, this may be an undocumented "feature" that allows changing
> how output formatting is handled.  If that's true, the nature of this bug
> report is really much different.  Use of globals for that purpose leaves
> residual side effects that can affect other calls to the function that
> expect/require normal handling.  There are two basic options:
> 1. There should be a formatter struct that stores the customized state (the
> default free functions could simply call the formatting functions of the struct
> on an invariant global formatting struct.
> 2. Put these formatting arguments as default parameters on calls that use them

Yes, the plan was to allow people who prefer a different formatting to simply
change the globals. I'm undecided how to proceed about this.

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