Type Alias xmlListWalker 

pub type xmlListWalker = Option<unsafe extern "C" fn(data: *const c_void, user: *mut c_void) -> c_int>;

Aliased Type

pub enum xmlListWalker {
    None,
    Some(unsafe extern "C" fn(*const c_void, *mut c_void) -> i32),
}

Variants

None

No value.

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

Some value of type T.