［背景］
swift中，如下代码：
let rect:CGRect=CGRectMake(0,0,floorf(self.view.bounds.size.width / count),self.tabBarHeight)
出错：
swift:123:79: Binary operator ‘/’ cannot be applied to operands of type ‘CGFloat’ and ‘Int’
［解决过程］
1.搜：
Binary operator / cannot be applied to operands of type CGFloat and Int
参考：
感觉是：
直接给int加上CGFloat应该就可以了：
let rect:CGRect=CGRectMake(0,0,floorf(self.view.bounds.size.width/CGFloat(count)),self.tabBarHeight)
结果出错：
Cannot convert value of type ‘CGFloat’ to expected argument type ‘Float’
那就再去解决：
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