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Using `&&` there was a typo. With `&&` the `prepend` method
could not be called with a const reference as argument.
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Mistakes added in 3cb4c513080ebeead7c5629a7f0503fae9513803 and
bec1765340c3c13f002882ce147762e4c38ed2c6
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9514
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Replace `NULL` with `nullptr` in C++ code.
No functional changes.
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Using C++ exceptions in Blender is difficult, due to the large
number of C functions in the call stack. However, C++ data
structures in blenlib should at least try to be exception safe,
so that they can be used if someone wants to use exceptions
in some isolated area.
This patch improves the exception safety of the Vector, Array
and Stack data structure. This is mainly achieved by reordering
some lines and doing some explicit exception handling.
I don't expect performance of common operations to be affected
by this change.
The three containers are supposed to provide at least the
basic exception guarantee for most methods (except for e.g.
`*_unchecked` methods). So, resources should not leak when
the contained type throws an exception.
I also added new unit tests that test the exception handling
in various cases.
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The new reverse iterators behave as the reverse iterators for contains from
the standard library. Have a look at the tests to see how to use them.
Using them will hopefully become easier with ranges in C++20.
A Vector can now be constructed from two iterators, which is very common
in the standard library.
New Vector.insert methods allow adding elements in the middle of a vector.
These methods should not be used often in practice, because they has a linear running time.
New Vector.prepend methods allow adding elements to the beginning of a vector.
These methods are O(n) as well.
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Reviewers: sybren
Differential Revision: https://developer.blender.org/D8315
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