Re: iscleared problem in lgc.c
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- Subject: Re: iscleared problem in lgc.c
- From: Mark Hamburg <mark@...>
- Date: 2009年3月25日 22:42:04 -0700
One corollary to this is that if you want to create weak sets of
values, you should use:
set[ value ] = value
to add the value to the set rather than
set[ value ] = true
That way doing pairs( set ) won't reveal finalized keys.
(I got bitten by this years ago writing the weak observer mechanism in
Lightroom.)
Mark