Why doesn't pattern matching on a property of a record compile?

Question

Why doesn\'t pattern matching on a property of a record compile?

type Cell = { X:int; Y:int }

let isNeighbor cell1 cell2 =
    match cell1.X, c         


        

Answer 1

When you do

match cell1.X, cell2.X with
| cell1, cell2

you have created a new cell1 variable, which is cell1.X (an int).

I would probably have just used an if here, or change to | _,_ when ...