dict: Do not use static array, move it to member variable

dict/dictengine.cpp

@@ -20,6 +20,13 @@ DictEngine::DictEngine(QObject *parent)
     , m_dictName(QStringLiteral("wn")) // In case we need to switch it later
     , m_serverName(QStringLiteral("dict.org")) // Default, good dictionary
 {
+    m_definitionResponses = {
+        QByteArrayLiteral("250"), /**< ok (optional timing information here) */
+        QByteArrayLiteral("552"), /**< No match */
+        QByteArrayLiteral("550"), /**< Invalid database */
+        QByteArrayLiteral("501"), /**< Syntax error, illegal parameters */
+        QByteArrayLiteral("503"), /**< Command parameter not implemented */
+    };
 }
 
 DictEngine::~DictEngine()
@@ -109,15 +116,7 @@ void DictEngine::getDefinition()
     m_tcpSocket->write(command);
     m_tcpSocket->flush();
 
-    static const std::array<QByteArray, 5> responses{
-        QByteArrayLiteral("250"), /**< ok (optional timing information here) */
-        QByteArrayLiteral("552"), /**< No match */
-        QByteArrayLiteral("550"), /**< Invalid database */
-        QByteArrayLiteral("501"), /**< Syntax error, illegal parameters */
-        QByteArrayLiteral("503"), /**< Command parameter not implemented */
-    };
-
-    while (std::none_of(responses.cbegin(), responses.cend(), [&ret](const QByteArray &code) {
+    while (std::none_of(m_definitionResponses.cbegin(), m_definitionResponses.cend(), [&ret](const QByteArray &code) {
         return ret.contains(code);
     })) {
         m_tcpSocket->waitForReadyRead();

dict/dictengine.h

@@ -47,4 +47,7 @@ private:
     QString m_dictName;
     QString m_serverName;
     QMap<QString, QMap<QString, QString>> m_availableDictsCache;
+
+    // https://datatracker.ietf.org/doc/html/rfc2229
+    std::array<QByteArray, 5> m_definitionResponses;
 };