F#Static关键词

type Account(accno,name) = class
 static let rateOfInterest = 8.8
 member this.display()=
  printfn "%d %s %0.2f" accno name rateOfInterest 
 
end
let a1 = new Account(101,"Rajkumar")
let a2 = new Account(102, "john")
a1.display()
a2.display()

type Account() = class  
 static let mutable count = 0  
 new(accno,name) =    
  count<-count+1  
  printfn "%d %s" accno name  
  Account()  
 static member DisplayCount() = printfn "Object Counter = %d" count  
   
end  
let a1 = new Account(101,"Rajkumar")  
let a2 = new Account(102, "john")  
Account.DisplayCount()