Add container access functionality for associative containers in QVariant.

Change-Id: I4763a4c157e52918a0a68cba63624c0649aca235
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
index 779c35d879..ab909e5065 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
@@ -162,3 +162,33 @@ if (variant.canConvert<QVariantList>()) {
 }
 
 //! [9]
+
+//! [10]
+
+QHash<int, QString> mapping;
+mapping.insert(7, "Seven");
+mapping.insert(11, "Eleven");
+mapping.insert(42, "Forty-two");
+
+QVariant variant = QVariant::fromValue(mapping);
+if (variant.canConvert<QVariantHash>()) {
+    QAssociativeIterable iterable = variant.value<QAssociativeIterable>();
+    // Can use foreach over the values:
+    foreach (const QVariant &v, iterable) {
+        qDebug() << v;
+    }
+    // Can use C++11 range-for over the values:
+    for (const QVariant &v : iterable) {
+        qDebug() << v;
+    }
+    // Can use iterators:
+    QAssociativeIterable::const_iterator it = iterable.begin();
+    const QAssociativeIterable::const_iterator end = iterable.end();
+    for ( ; it != end; ++it) {
+        qDebug() << *it; // The current value
+        qDebug() << it.key();
+        qDebug() << it.value();
+    }
+}
+
+//! [10]