Translations:Development/Tutorials/Common Programming Mistakes/88/en: Difference between revisions

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Take, for instance, {{qt|QString}}. They should always be passed into methods as <tt>const {{qt|QString}}&</tt>. Even though {{qt|QString}} is implicitly shared it is still more efficient (and safer) to pass const references as opposed to objects by value.

Take, for instance, QString. They should always be passed into methods as const QString&. Even though QString is implicitly shared it is still more efficient (and safer) to pass const references as opposed to objects by value.