F＃条件声明

Question

如何写点什么

if !inBoundary then do 
 printfn "no it's not within the boundary"

Answer 1

您可以使用not built-in function（并在do之后省略then关键字）：

let inBoundary = false

if not inBoundary then
    printfn "no it's not within the boundary"