[Interest] What's meaning of "{ 1 , ? }" in QtCreator 2.4.1

[Duan,Lin]

Greetings,

I am using Qt Creator with MinGW tool chain for developing programs for a long time.
I saw the "{ 1 , ? }" appears in application output dock window every time, when application ended.
What's meaning? Of this "{ 1 , ? }"?
I searched it in help documentation, it not be mentioned.


Duanlin at Tianjin.China
2012 May 2

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