Macro dbgbb_acc 

macro_rules! dbgbb_acc {
    (label => $label:literal, $($x:expr),*) => { ... };
    (label => $label:literal, every => $n:literal, $($x:expr),*) => { ... };
    ($label:literal => post) => { ... };
}

Accumulate and send the debug data to the server.

Usage:

use dbgbb::dbgbb_acc;
for a in 0..3 {
    for b in 0..3 {
        dbgbb_acc!(label => "i", a, b);
        dbgbb_acc!(label => "j", every => 2, a, b);
    }
}
dbgbb_acc!("i" => post);
dbgbb_acc!("j" => post);