----- "Yakov Galka" <ybungalobill@gmail.com> wrote:

On Sat, Jan 29, 2011 at 14:07, Ivan Le Lann <ivan.lelann@free.fr> wrote:

...

*My* *guess* is that Artyom think that:

os_func ((s1 + s2 + s3 + ... + s100).c_str()); // s for

std::string

...

is dramatically faster than:

os_func ((c1 + c2 + c3 + ... + c100).to_string().c_str()); // c

for

...

"boost::chain"

Aren't they perform the same? Actually with lazy evaluation the latter will be faster.

For this example, I agree. I'm only stressing the marketing issue. Eventually, we'll need figures here. Big-sized font figures. Ivan