{"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"#[inline]"}]}
    #[inline]
impl<'a, 'b> FnMut<(&'a &'b [u16],)> for IsNotEmpty {
    extern "rust-call" fn call_mut(&mut self, _arg: (&'a &'b [u16],)) -> (u8, u8) {