safe_lock_option_observer

Macro safe_lock_option_observer 

Source
macro_rules! safe_lock_option_observer {
    (on_next: $lock_name:expr, $value:expr) => { ... };
    (on_next: $lock_name:expr, values: $values:expr) => { ... };
    (on_next_and_termination: $lock_name:expr, $value:expr, $termination:expr) => { ... };
    (on_next_and_termination: $lock_name:expr, values: $values:expr, $termination:expr) => { ... };
    (on_termination: $lock_name:expr, $value:expr) => { ... };
}