Macro si_trace_print::def2o

macro_rules! def2o {
    (
        $($args:tt)*
    ) => { ... };
}

debug eprintln! in a function plus two namespace levels with offset.

To signify printing within a function. Use to eprintln! in a function.

use si_trace_print::{defn, defx};
use si_trace_print::def2o;
fn func1() {
    def2o!("hello");
}
fn main() {
    defn!();
    func1();
    defx!();
}

prints

→main:
     si_trace_print::main::func1: hello
←main:

Uses so().

For debug builds.