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Clarify in-place operations mirror special case behaviour #299

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Merged
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Nov 4, 2021
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Clarify in-place operations mirror special case behaviour #299

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2217e08
Clarify in-place operations mirror special case behaviour
honno Nov 2, 2021
d6a5fa1
Clarify that in-place ops follow all functionality of standard ops
honno Nov 3, 2021
ef8813a
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kgryte Nov 4, 2021
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4 changes: 4 additions & 0 deletions spec/API_specification/array_object.md
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Expand Up @@ -153,6 +153,10 @@ an array object supporting the following in-place Python operators:
- `<<=`. May be implemented via `__ilshift__`.
- `>>=`. May be implemented via `__irshift__`.

An in-place operation must follow all the special cases of its respective
standard operation (e.g. `__radd__` has the same special case behaviour as
`__add__`).

An in-place operation must not change the dtype or shape of the in-place array
as a result of {ref}`type-promotion` or {ref}`broadcasting`.

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