Question

Is there a way to pattern match in F# so that it will check to see if both elements in a two element tuples are equal. I’m incredibly new to F#, and also new to the whole concept of Pattern Matching in general. I was thinking something along the lines of…

let rec funct = function
    |(xs, xs) -> 0
    etc. etc. etc.

But I guess that would be too easy hah. Any suggestions? Or is there even a way to do that? Thanks for your help, you guys are incredibly helpful!

Answer 1

match e with    
| x,y when x = y -> ...
...

http://msdn.microsoft.com/en-us/library/dd233242.aspx

http://msdn.microsoft.com/en-us/library/dd547125.aspx