Type Alias DADiskDescriptionChangedCallback 

pub type DADiskDescriptionChangedCallback = Option<unsafe extern "C-unwind" fn(NonNull<DADisk>, NonNull<CFArray>, *mut c_void)>;

Available on crate feature DADisk only.

Type of the callback function used by DARegisterDiskDescriptionChangedCallback().

Parameter disk: A disk object.

Parameter keys: A list of changed keys.

Parameter context: The user-defined context parameter given to the registration function.

See also Apple’s documentation

Aliased Type

pub enum DADiskDescriptionChangedCallback {
    None,
    Some(unsafe extern "C-unwind" fn(NonNull<DADisk>, NonNull<CFArray>, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(NonNull<DADisk>, NonNull<CFArray>, *mut c_void))

Some value of type T.