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{
    "id": 26192,
    "url": "https://patchwork.libcamera.org/api/covers/26192/?format=api",
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        "name": "libcamera",
        "link_name": "libcamera",
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    "msgid": "<20260219144040.1615042-1-laurent.pinchart@ideasonboard.com>",
    "date": "2026-02-19T14:40:36",
    "name": "[v3,0/4] libcamera: Clean up iterators",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/cover/26192/mbox/",
    "series": [
        {
            "id": 5801,
            "url": "https://patchwork.libcamera.org/api/series/5801/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5801",
            "date": "2026-02-19T14:40:36",
            "name": "libcamera: Clean up iterators",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/5801/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/covers/26192/comments/",
    "headers": {
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        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Subject": "[PATCH v3 0/4] libcamera: Clean up iterators",
        "Date": "Thu, 19 Feb 2026 15:40:36 +0100",
        "Message-ID": "<20260219144040.1615042-1-laurent.pinchart@ideasonboard.com>",
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        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Hello,\n\nThis patch series cleans up usage of iterators to standardize on\nrange-based loops and structured bindings wherever possible (and\nconvenient). What started as a single patch is now a series that\n\n- Replaces map iterators and pairs with structured bindings (1/4)\n- Replaces iterators for non-associative containers (vector, span, ...)\n  with range-based for loops (2/4)\n- Rename one occurrence of a variable named 'it' that does not refer to\n  an iterator (3/4)\n- Standardize on 'const auto' instead of 'auto const'\n\nOne thing *not* addressed by this series is replacement of 'auto' with\n'const auto' or 'const auto &' where applicable. This could be done on\ntop by someone with enough motivation :-)\n\nLaurent Pinchart (4):\n  libcamera: Replace iterators with structured bindings\n  libcamera: Replace iterators with range-based for loops\n  libcamera: Use `it` variable name for iterators only\n  libcamera: Standardize on 'const auto'\n\n .../guides/application-developer.rst          |  2 +-\n include/libcamera/base/utils.h                | 10 ++--\n .../libcamera/internal/ipa_data_serializer.h  | 10 ++--\n src/apps/common/options.cpp                   |  6 +--\n src/apps/common/stream_options.cpp            |  4 +-\n src/gstreamer/gstlibcamera-controls.cpp.in    |  7 +--\n src/gstreamer/gstlibcamera-utils.cpp          | 50 ++++++++-----------\n src/ipa/ipu3/ipu3.cpp                         |  8 +--\n src/ipa/mali-c55/mali-c55.cpp                 |  8 +--\n src/ipa/rkisp1/rkisp1.cpp                     |  8 +--\n src/ipa/rpi/common/ipa_base.cpp               |  4 +-\n src/ipa/rpi/controller/controller.cpp         |  6 +--\n src/ipa/rpi/controller/rpi/agc.cpp            |  4 +-\n src/ipa/rpi/controller/rpi/agc_channel.cpp    |  2 +-\n src/ipa/rpi/controller/rpi/lux.cpp            |  2 +-\n src/ipa/rpi/pisp/pisp.cpp                     |  2 +-\n src/ipa/rpi/vc4/vc4.cpp                       |  2 +-\n src/ipa/simple/soft_simple.cpp                |  8 +--\n src/libcamera/camera.cpp                      |  4 +-\n .../converter/converter_v4l2_m2m.cpp          |  8 +--\n src/libcamera/delayed_controls.cpp            |  4 +-\n src/libcamera/media_device.cpp                |  2 +-\n src/libcamera/pipeline/ipu3/cio2.cpp          |  6 +--\n src/libcamera/pipeline/ipu3/ipu3.cpp          | 11 ++--\n src/libcamera/pipeline/mali-c55/mali-c55.cpp  |  2 +-\n .../pipeline/rpi/common/delayed_controls.cpp  |  4 +-\n .../pipeline/rpi/common/pipeline_base.cpp     | 29 ++++++-----\n .../pipeline/rpi/common/rpi_stream.cpp        |  8 +--\n src/libcamera/pipeline/rpi/pisp/pisp.cpp      |  6 +--\n src/libcamera/pipeline/rpi/vc4/vc4.cpp        |  2 +-\n src/libcamera/pipeline/vimc/vimc.cpp          | 10 ++--\n src/libcamera/pipeline/virtual/virtual.cpp    |  2 +-\n src/libcamera/request.cpp                     |  3 +-\n src/libcamera/sensor/camera_sensor_legacy.cpp |  4 +-\n src/libcamera/sensor/camera_sensor_raw.cpp    |  4 +-\n src/libcamera/software_isp/software_isp.cpp   |  3 +-\n src/libcamera/stream.cpp                      |  8 +--\n src/libcamera/v4l2_videodevice.cpp            |  8 ++-\n test/media_device/media_device_print_test.cpp | 10 ++--\n test/v4l2_videodevice/buffer_cache.cpp        |  2 +-\n 40 files changed, 126 insertions(+), 157 deletions(-)\n\n\nbase-commit: da12b1854fbc0ec32d3162a0ab97654fcb679ae3"
}