diff options
Diffstat (limited to 'src/corelib/tools/qalgorithms.qdoc')
| -rw-r--r-- | src/corelib/tools/qalgorithms.qdoc | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/src/corelib/tools/qalgorithms.qdoc b/src/corelib/tools/qalgorithms.qdoc index f94a6856da..4249cad72e 100644 --- a/src/corelib/tools/qalgorithms.qdoc +++ b/src/corelib/tools/qalgorithms.qdoc @@ -47,8 +47,7 @@ meet a certain set of requirements. Different algorithms can have different requirements for the - iterators they accept. For example, qFill() accepts two - \l {forward iterators}. The iterator types required are specified + iterators they accept. The iterator types required are specified for each algorithm. If an iterator of the wrong type is passed (for example, if QList::ConstIterator is passed as an \l {Output Iterators}{output iterator}), you will always get a @@ -63,21 +62,7 @@ The generic algorithms can be used on other container classes than those provided by Qt and STL. The syntax of STL-style iterators is modeled after C++ pointers, so it's possible to use - plain arrays as containers and plain pointers as iterators. A - common idiom is to use qBinaryFind() together with two static - arrays: one that contains a list of keys, and another that - contains a list of associated values. For example, the following - code will look up an HTML entity (e.g., \c &) in the \c - name_table array and return the corresponding Unicode value from - the \c value_table if the entity is recognized: - - \snippet code/doc_src_qalgorithms.cpp 2 - - This kind of code is for advanced users only; for most - applications, a QMap- or QHash-based approach would work just as - well: - - \snippet code/doc_src_qalgorithms.cpp 3 + plain arrays as containers and plain pointers as iterators. \section1 Types of Iterators @@ -156,7 +141,7 @@ Exchanges the values of variables \a var1 and \a var2. Example: - \snippet code/doc_src_qalgorithms.cpp 10 + \snippet code/doc_src_qalgorithms.cpp 0 */ /*! @@ -168,7 +153,7 @@ example, \c{QWidget *}). Example: - \snippet code/doc_src_qalgorithms.cpp 23 + \snippet code/doc_src_qalgorithms.cpp 1 Notice that qDeleteAll() doesn't remove the items from the container; it merely calls \c delete on them. In the example |