Method pos_from_multi_index

crates/vm/src/builtins/memory.rs:221–239

(&self, indexes: &[isize], vm: &VirtualMachine)

    }

    fn pos_from_multi_index(&self, indexes: &[isize], vm: &VirtualMachine) -> PyResult<usize> {
        match indexes.len().cmp(&self.desc.ndim()) {
            Ordering::Less => {
                return Err(vm.new_not_implemented_error("sub-views are not implemented"));
            }
            Ordering::Greater => {
                return Err(vm.new_type_error(format!(
                    "cannot index {}-dimension view with {}-element tuple",
                    self.desc.ndim(),
                    indexes.len()
                )));
            }
            Ordering::Equal => (),
        }

        let pos = self.desc.position(indexes, vm)?;
        let pos = (pos + self.start as isize) as usize;
        Ok(pos)
    }

    fn init_len(&mut self) {
        let product: usize = self.desc.dim_desc.iter().map(|x| x.0).product();