[英]Why can one initialize non-const and static const member variables but not static member variables?
[英]Initialize non-const static member variables in C++, through a static member function
我正在嘗試以下操作並在兩個日志語句之間獲得模擬器崩潰。 有什么不對?
protected:
static int maxSize;
public:
static void setFontSizeRange(int max) {
Log("here %d->%d", max, maxSize);
maxSize = max;
Log("ok");
}
我可以讓日志重現參數,但在輸出靜態成員之前它會崩潰(所以上面顯示的第一個日志在引用它時不起作用)。
謝謝。
您應該定義靜態成員。
class Something
{
protected:
static int maxSize;
public:
static void setFontSizeRange(int max) {
Log("here %d->%d", max, maxSize);
maxSize = max;
Log("ok");
}
}; // class declaration ends here...
int Something::maxSize = 0;
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