Macro netidx_core::try_cf

macro_rules! try_cf {
    ($msg:expr, continue, $lbl:tt, $e:expr) => { ... };
    ($msg:expr, break, $lbl:tt, $e:expr) => { ... };
    ($msg:expr, continue, $e:expr) => { ... };
    ($msg:expr, break, $e:expr) => { ... };
    (continue, $lbl:tt, $e:expr) => { ... };
    (break, $lbl:tt, $e:expr) => { ... };
    ($msg:expr, $e:expr) => { ... };
    (continue, $e:expr) => { ... };
    (break, $e:expr) => { ... };
    ($e:expr) => { ... };
}