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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-12-27 11:20:59 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2021-02-05 01:24:35 +0200 |
| commit | 36c15f32c95552107903604db4b3e63752e49378 (patch) | |
| tree | 10fae0408cc6db209c4974146bc3688226473103 /src/libcamera/utils.cpp | |
| parent | 79266225d2af742195f99be7c91c7d5356f7eb78 (diff) | |
libcamera: utils: Add reverse adapter for range-based loop
Add a utils::reverse() function that creates an adapter wrapping in
iterable, such that range-based iteration over the adapter iterates over
the iterable in reverse order.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'src/libcamera/utils.cpp')
| -rw-r--r-- | src/libcamera/utils.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp index e90375ae..c4098a74 100644 --- a/src/libcamera/utils.cpp +++ b/src/libcamera/utils.cpp @@ -464,6 +464,14 @@ std::string libcameraSourcePath() * \return The value rounded up to the nearest multiple of \a alignment */ +/** + * \fn reverse(T &&iterable) + * \brief Wrap an iterable to reverse iteration in a range-based loop + * \param[in] iterable The iterable + * \return A value of unspecified type that, when used in a range-based for + * loop, will cause the loop to iterate over the \a iterable in reverse order + */ + } /* namespace utils */ } /* namespace libcamera */ |