如何指定unsigned
整数类型可表示的最大值?
我想知道如何在下面的循环中初始化min
,该循环从一些 struct 迭代计算最小和最大长度.
var minLen uint = ???
var maxLen uint = 0
for _, thing := range sliceOfThings {
if minLen > thing.n { minLen = thing.n }
if maxLen < thing.n { maxLen = thing.n }
}
if minLen > maxLen {
// If there are no values, clamp min at 0 so that min <= max.
minLen = 0
}
所以第一次通过比较,是minLen >= n
.