Type Alias PhidgetDictionary_OnChangeCallback 

pub type PhidgetDictionary_OnChangeCallback = Option<unsafe extern "C" fn(arg1: c_int, arg2: *const c_char, arg3: *mut c_void, arg4: c_int, arg5: *const c_char, arg6: *const c_char)>;

Aliased Type

pub enum PhidgetDictionary_OnChangeCallback {
    None,
    Some(unsafe extern "C" fn(i32, *const i8, *mut c_void, i32, *const i8, *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(i32, *const i8, *mut c_void, i32, *const i8, *const i8))

Some value of type T.