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());