Type Alias DADiskDescriptionChangedCallback 

pub type DADiskDescriptionChangedCallback = Option<unsafe extern "C" fn(disk: DADiskRef, keys: CFArrayRef, context: *mut c_void)>;

Type of the callback function used by DARegisterDiskDescriptionChangedCallback.

Parameters

• disk - A disk object.
• keys - A list of changed keys.
• context - The user-defined context parameter given to the registration function.

Aliased Type

pub enum DADiskDescriptionChangedCallback {
    None,
    Some(unsafe extern "C" fn(*mut __DADisk, *const __CFArray, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut __DADisk, *const __CFArray, *mut c_void))

Some value of type T.