Method _wchar_bytes_to_string

crates/stdlib/src/array.rs:776–806

(
            bytes: &[u8],
            item_size: usize,
            vm: &VirtualMachine,
        )

        }

        fn _wchar_bytes_to_string(
            bytes: &[u8],
            item_size: usize,
            vm: &VirtualMachine,
        ) -> PyResult<Wtf8Buf> {
            if item_size == 2 {
                // safe because every configuration of bytes for the types we support are valid
                let utf16 = unsafe {
                    core::slice::from_raw_parts(
                        bytes.as_ptr() as *const u16,
                        bytes.len() / core::mem::size_of::<u16>(),
                    )
                };
                Ok(Wtf8Buf::from_wide(utf16))
            } else {
                // safe because every configuration of bytes for the types we support are valid
                let chars = unsafe {
                    core::slice::from_raw_parts(
                        bytes.as_ptr() as *const u32,
                        bytes.len() / core::mem::size_of::<u32>(),
                    )
                };
                chars
                    .iter()
                    .map(|&ch| {
                        // cpython issue 17223
                        u32_to_char(ch).map_err(|msg| vm.new_value_error(msg))
                    })
                    .try_collect()
            }
        }

        fn _unicode_to_wchar_bytes(wtf8: &Wtf8, item_size: usize) -> Vec<u8> {
            if item_size == 2 {