[issue36144] Dictionary union. (PEP 584)

[Sumit Jaiswal]

Sumit Jaiswal <justjais at gmail.com> added the comment:

First off, thanks for adding the feature, it's much appreciated.

But it'd be great if you guys can enable list merge for the dict having list as its value, in current form I believe it's handling only "key: value" merge.

for e.g.:
>>> d1 = {'spam': [1, 2, 3]}
>>> d2 = {'spam': [2, 3, 4]}
>>> d1 | d2
>>> {'spam': [1, 2, 3, 4]}

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nosy: +justjais

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<https://bugs.python.org/issue36144>
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