doc: update snippets for QtScript function expressions

With the JSC-based back-end it's necessary to wrap the function
in parentheses.

Task-number: QTBUG-6644

2 files changed, 4 insertions, 4 deletions

diff --git a/doc/src/snippets/code/doc_src_qtscript.qdoc b/doc/src/snippets/code/doc_src_qtscript.qdoc
index 00dd716..a33a982 100644
--- a/doc/src/snippets/code/doc_src_qtscript.qdoc
+++ b/doc/src/snippets/code/doc_src_qtscript.qdoc
@@ -513,7 +513,7 @@ int main(int argc, char **argv)
 //! [47]
 QScriptEngine eng;
 QLineEdit *edit = new QLineEdit(...);
-QScriptValue handler = eng.evaluate("function(text) { print('text was changed to', text); }");
+QScriptValue handler = eng.evaluate("(function(text) { print('text was changed to', text); })");
 qScriptConnect(edit, SIGNAL(textChanged(const QString &)), QScriptValue(), handler);
 //! [47]
 
@@ -521,7 +521,7 @@ qScriptConnect(edit, SIGNAL(textChanged(const QString &)), QScriptValue(), handl
 QLineEdit *edit1 = new QLineEdit(...);
 QLineEdit *edit2 = new QLineEdit(...);
 
-QScriptValue handler = eng.evaluate("function() { print('I am', this.name); }");
+QScriptValue handler = eng.evaluate("(function() { print('I am', this.name); })");
 QScriptValue obj1 = eng.newObject();
 obj1.setProperty("name", "the walrus");
 QScriptValue obj2 = eng.newObject();
@@ -790,7 +790,7 @@ QScriptValue counter_hybrid(QScriptContext *ctx, QScriptEngine *eng)
 {
     QScriptValue act = ctx->activationObject();
     act.setProperty("count", 0);
-    return eng->evaluate("function() { return count++; }");
+    return eng->evaluate("(function() { return count++; })");
 }
 //! [74]
 
diff --git a/doc/src/snippets/code/src_script_qscriptengine.cpp b/doc/src/snippets/code/src_script_qscriptengine.cpp
index c82eb65..f0165fd 100644
--- a/doc/src/snippets/code/src_script_qscriptengine.cpp
+++ b/doc/src/snippets/code/src_script_qscriptengine.cpp
@@ -46,7 +46,7 @@ QScriptValue three = myEngine.evaluate("1 + 2");
 
 
 //! [1]
-QScriptValue fun = myEngine.evaluate("function(a, b) { return a + b; }");
+QScriptValue fun = myEngine.evaluate("(function(a, b) { return a + b; })");
 QScriptValueList args;
 args << 1 << 2;
 QScriptValue threeAgain = fun.call(QScriptValue(), args);