macro_rules! register_counter {
(@of_type $TYPE:ident, $OPTS:expr) => { ... };
($OPTS:expr $(,)?) => { ... };
($NAME:expr, $HELP:expr $(,)?) => { ... };
}
macro_rules! register_counter {
(@of_type $TYPE:ident, $OPTS:expr) => { ... };
($OPTS:expr $(,)?) => { ... };
($NAME:expr, $HELP:expr $(,)?) => { ... };
}