Type Alias IconActionUPP 

pub type IconActionUPP = IconActionProcPtr;

Available on crate feature Icons only.

Apple’s documentation

Aliased Type

pub enum IconActionUPP {
    None,
    Some(unsafe extern "C-unwind" fn(u32, *mut *mut *mut i8, *mut c_void) -> i16),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(u32, *mut *mut *mut i8, *mut c_void) -> i16)

Some value of type T.