On Feb 14, 2011, at 4:47 PM, Brendan Eich wrote:

> The IDL's use of an array inout parameter

Er, in parameter, of course -- but with an in ArrayBufferView parameter (a 
reference to a mutable object), there's an "out" channel too, via effects on 
the viewed data in the buffer. Which is why I wrote "inout" :-/.

/be


> also supports efficient bindings for languages with stack allocation, which 
> is a non-trivial win in C and C++ not only compared to malloc 
> performance-wise, but also for automated cleanup (vs. intrinsic cost of free, 
> plus on some OSes, "which free do I call"?).
> 
> /be
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