Function write_array 

pub fn write_array<W: Write>(
    writer: &mut W,
    array: &DynArray,
) -> FerrayResult<()>

Write a DynArray to writer as an .npy v1.0 stream.

Standalone equivalent of numpy.lib.format.write_array. Internally delegates to crate::npy::save_dynamic_to_writer.

Errors

Returns errors from the underlying NPY writer (I/O failure, dtype not encodable as a NumPy descriptor, etc.).