Function clingo_sys::clingo_control_register_observer

pub unsafe extern "C" fn clingo_control_register_observer(
    control: *mut clingo_control_t, 
    observer: *const clingo_ground_program_observer_t, 
    replace: bool, 
    data: *mut c_void
) -> bool

Register a program observer with the control object.

Parameters:

• control the target
• observer the observer to register
• replace just pass the grounding to the observer but not the solver
• data user data passed to the observer functions

Returns whether the call was successful