Add missing QString::prepend(QStringRef)/(const QChar*,int) overloads

QString::append(QStringRef) exists, and so should prepend().
QString::append(const QChar *,int) exists, and so should prepend().

[ChangeLog][QtCore][QString] Added prepend(QStringRef) and prepent(const QChar *, int) overloads.

Change-Id: I3eca41045f7c481be473507e23e92690f3ed7ba3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@theqtcompany.com>

2 files changed, 18 insertions, 0 deletions

diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index d25b8e2082..14ed315710 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -2072,6 +2072,22 @@ QString &QString::append(QChar ch)
     Prepends the Latin-1 string \a str to this string.
 */
 
+/*! \fn QString &QString::prepend(const QChar *str, int len)
+    \since 5.5
+    \overload prepend()
+
+    Prepends \a len characters from the QChar array \a str to this string and
+    returns a reference to this string.
+*/
+
+/*! \fn QString &QString::prepend(const QStringRef &str)
+    \since 5.5
+    \overload prepend()
+
+    Prepends the string reference \a str to the beginning of this string and
+    returns a reference to this string.
+*/
+
 /*! \fn QString &QString::prepend(const QByteArray &ba)
 
     \overload prepend()
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
index 06eb902161..532b294c28 100644
--- a/src/corelib/tools/qstring.h
+++ b/src/corelib/tools/qstring.h
@@ -428,7 +428,9 @@ public:
     QString &append(const QStringRef &s);
     QString &append(QLatin1String s);
     inline QString &prepend(QChar c) { return insert(0, c); }
+    inline QString &prepend(const QChar *uc, int len) { return insert(0, uc, len); }
     inline QString &prepend(const QString &s) { return insert(0, s); }
+    inline QString &prepend(const QStringRef &s) { return insert(0, s); }
     inline QString &prepend(QLatin1String s) { return insert(0, s); }
 
     inline QString &operator+=(QChar c) {