[cfe-dev] blocks with c++ lambas

[Eli Friedman]

On Mon, Sep 10, 2012 at 10:45 PM, James Gregurich <bayoubengal at me.com> wrote:
> is that conversion  a compile time operation or a runtime operation?

If you convert a lambda immediately to block pointer type (like my
original example), it's essentially free, as if you'd written the
equivalent block.  With an expression of lambda type in general,
though, the conversion happens at runtime: the lambda is copied into
an autoreleased block.

-Eli