Method __length_hint__

crates/stdlib/src/pystruct.rs:196–198

(&self)

    impl UnpackIterator {
        #[pymethod]
        fn __length_hint__(&self) -> usize {
            self.buffer.len().saturating_sub(self.offset.load()) / self.format_spec.size
        }
    }
    impl SelfIter for UnpackIterator {}