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vtk-m/docs/changelog/shallow-copy-if-possible.md
Kenneth Moreland 5c36eafe56 Add ArrayCopyShallowIfPossible 
Often times you have an array of an unknown type (likely from a data set),
and you need it to be of a particular type (or can make a reasonable but
uncertain assumption about it being a particular type). You really just
want a shallow copy (a reference in a concrete `ArrayHandle`) if that is
possible.

`ArrayCopyShallowIfPossible` pulls an array of a specific type from an
`UnknownArrayHandle`. If the type is compatible, it will perform a shallow
copy. If it is not possible, a deep copy is performed to get it to the
correct type.

Fixes #572.
2021-07-15 08:52:07 -06:00

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Added ArrayCopyShallowIfPossible

Often times you have an array of an unknown type (likely from a data set), and you need it to be of a particular type (or can make a reasonable but uncertain assumption about it being a particular type). You really just want a shallow copy (a reference in a concrete ArrayHandle) if that is possible.

ArrayCopyShallowIfPossible pulls an array of a specific type from an UnknownArrayHandle. If the type is compatible, it will perform a shallow copy. If it is not possible, a deep copy is performed to get it to the correct type.