Apple Blocks added to C++?

[Walter Bright]

Mattias Holm wrote:
> Walter Bright wrote:
>> S. wrote:
>> I find it strange that people are continuing to reinvent nested 
>> functions in ugly ways.
> 
> The blocks are not nested functions, they are more like closures.

Nested functions do closures in a straightforward way, so by leaving off 
nested functions they were forced to make an ugly syntax <g>. This is 
why I shake my head in just not understanding the process that led to 
their design.


> There 
> are some block copy functions that move a block to the heap (including 
> the captured variables).
> 
> Nested functions can usually not be called after the defining function 
> have returned. You cannot return blocks directly (since they are located 
> on the stack), but you can return a heap copy of the block.

This is handled in D automatically.