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nested_dict documenting comment.

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Signed-off-by: Edward Z. Yang <ezyang@fb.com>
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Edward Z. Yang
2017-10-17 09:50:19 -07:00
committed by Edward Z. Yang
parent 5989b05ecc
commit 0589dfab81
1 changed files with 6 additions and 0 deletions
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6
tools/autograd/nested_dict.py
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@ -1,5 +1,11 @@
# TODO: refactor nested_dict into common library with ATen
class nested_dict(object):
"""
A nested dict is a dictionary with a parent. If key lookup fails,
it recursively continues into the parent. Writes always happen to
the top level dict.
"""
def __init__(self, base, parent):
self.base, self.parent = base, parent