From 39d86e05e1acb228848d7e54163d2c856e029539 Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Mon, 21 Nov 2022 13:06:54 +0100 Subject: Documentation: Expand documentation on how to iterate Qt containers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce a section on iteration and add range-based for and index. Pick-to: 6.4 6.2 Task-number: QTBUG-108687 Change-Id: Icb1ff55049361769f7c0b042d42f70148dd07c2e Reviewed-by: Mårten Nordheim Reviewed-by: Qt CI Bot --- .../doc/snippets/code/doc_src_containers.cpp | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/corelib/doc/snippets') diff --git a/src/corelib/doc/snippets/code/doc_src_containers.cpp b/src/corelib/doc/snippets/code/doc_src_containers.cpp index ab7f8c8b7f..29d9b584d0 100644 --- a/src/corelib/doc/snippets/code/doc_src_containers.cpp +++ b/src/corelib/doc/snippets/code/doc_src_containers.cpp @@ -16,6 +16,27 @@ private: }; //! [0] +//! [range_for] +QList list = {"A", "B", "C", "D"}; +for (const auto &item : list) { + ... +} +//! [range_for] + +//! [range_for_as_const] +QList list = {"A", "B", "C", "D"}; +for (const auto &item : std::as_const(list)) { + ... +} +//! [range_for_as_const] + +//! [index] +QList list = {"A", "B", "C", "D"}; +for (qsizetype i = 0; i < list.size(); ++i) { + const auto &item = list.at(i); + ... +} +//! [index] //! [1] QList list = {"A", "B", "C", "D"}; -- cgit v1.2.3