macro_rules! register_counter {
(@ of_type $ TYPE : ident , $ OPTS : expr) => { ... };
($ OPTS : expr) => { ... };
($ NAME : expr , $ HELP : expr) => { ... };
}
Create a Counter
and registers to default registry.
let opts = opts!("test_macro_counter_1", "help");
let res1 = register_counter!(opts);
assert!(res1.is_ok());
let res2 = register_counter!("test_macro_counter_2", "help");
assert!(res2.is_ok());