What is the F# syntax for “not equal to”?

问题

In C code, it would be like this:

if (c != 0) { //some code ...}

what about in F#?

回答1:

From MSDN's page on F# arithmetic operators, it looks like you want x <> 0.

回答2:

I think what you're looking for is the F# not operator or the <> operator for inequality.

回答3:

In addition to the other answers, you can also use pattern matching:

match c with
| 0 -> ()  //do nothing
| _ -> ... //do something

回答4:

<> is used for inequality

(1<>2)

来源：https://stackoverflow.com/questions/9130181/what-is-the-f-syntax-for-not-equal-to