Class JustWriter

numpy/lib/tests/test_io.py:2587–2595

# These next two classes encode the minimal API needed to save()/load() arrays.
# The `test_ducktyping` ensures they work correctly
class JustWriter:
    def __init__(self, base):
        self.base = base

    def write(self, s):
        return self.base.write(s)

    def flush(self):
        return self.base.flush()

class JustReader:
    def __init__(self, base):