QString: add append, op+=, prepend, insert taking QStringView

[ChangeLog][QtCore][QString] Now supports appending, prepending
and inserting QStringViews.

Change-Id: I7538c050c67590f27d91443eda0b94a4b80b62f2
Reviewed-by: Anton Kudryavtsev <antkudr@mail.ru>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 35 insertions, 0 deletions

diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp
index 3f24665a8a..fa61b5939d 100644
--- a/src/corelib/text/qstring.cpp
+++ b/src/corelib/text/qstring.cpp
@@ -2501,6 +2501,19 @@ QString &QString::operator=(QChar ch)
 
 
 /*!
+    \fn QString& QString::insert(int position, QStringView str)
+    \since 6.0
+    \overload insert()
+
+    Inserts the string view \a str at the given index \a position and
+    returns a reference to this string.
+
+    If the given \a position is greater than size(), the array is
+    first extended using resize().
+*/
+
+
+/*!
     \fn QString& QString::insert(int position, const char *str)
     \since 5.5
     \overload insert()
@@ -2765,6 +2778,14 @@ QString &QString::append(QChar ch)
     returns a reference to this string.
 */
 
+/*! \fn QString &QString::prepend(QStringView str)
+    \since 6.0
+    \overload prepend()
+
+    Prepends the string view \a str to the beginning of this string and
+    returns a reference to this string.
+*/
+
 /*! \fn QString &QString::prepend(const QByteArray &ba)
 
     \overload prepend()
@@ -5914,6 +5935,13 @@ QString& QString::fill(QChar ch, int size)
     Appends the string section referenced by \a str to this string.
 */
 
+/*! \fn QString &QString::operator+=(QStringView str)
+    \since 6.0
+    \overload operator+=()
+
+    Appends the string view \a str to this string.
+*/
+
 /*! \fn QString &QString::operator+=(char ch)
 
     \overload operator+=()
@@ -11038,6 +11066,13 @@ QStringRef QStringRef::appendTo(QString *string) const
 */
 
 /*!
+    \fn QString &QString::append(QStringView str)
+    \since 6.0
+
+    Appends the given string view \a str to this string and returns the result.
+*/
+
+/*!
     \fn QString &QString::append(const QStringRef &reference)
     \since 4.4