#[macro_use] extern crate function_name;
macro_rules! function_path {() => (concat!(
module_path!(), "::", function_name!()
))}
pub mod foo {
pub mod bar {
#[function_name]
pub fn baz ()
{
dbg!(function_path!());
}
}
}
fn main ()
{
foo::bar::baz();
}