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Remove NEWS entry regarding changed vector-holes functionality

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There's no longer breaking behavior changes to how vector-holes work.
This commit is contained in:
Jon Siwek 2021-04-19 19:32:48 -07:00
parent fd5cdbbe50
commit 8cb824b889
1 changed files with 0 additions and 13 deletions
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13
NEWS
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@ -52,19 +52,6 @@ New Functionality
Changed Functionality
---------------------
- The ``in`` operator does not any more track whether a given vector element
has been assigned-to. It now simply equates to "is this index between zero
and the size-of-the-vector-minus-one, inclusive". Previously, the ``in``
operator could have detected whether, by purpose or accident, a "hole" was
created in a vector by way of assigning to an index that's more than 1 beyond
the end of the vector (with intermediate elements becoming "holes") and
whether a "hole" had ever been subsequently filled by an assignment.
The behavior of creating a "hole" in a vector was never explicitly
documented, and should be thought of as undefined behavior and not something
the ``in`` operator can be used to detect. For this kind of usage, a
``table[count] of X`` is more appropriate than a vector.
Removed Functionality
---------------------