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Instantiate object with mutable state
Reimplement the Greeter class so that the
For example, if the greetee is changed to
Hello, Tommy!
The getter would then be used to display the line:
I have just greeted Tommy.
fsharp
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'whom' property or data member remains private but is mutable, and is provided with getter and setter methods. Invoke the setter to change the greetee, invoke 'greet', then use the getter in displaying the line, "I have just greeted {whom}.".
For example, if the greetee is changed to
'Tommy' using the setter, the 'greet' method would display:
Hello, Tommy!
The getter would then be used to display the line:
I have just greeted Tommy.
type Greeter(name:string) =
let mutable whom = name
member this.Whom
with get () = whom
and set v = whom <- v
member this.Greet() =
printfn "Hello, %s!" whom
let greeter = Greeter("World")
greeter.Greet()
greeter.Whom <- "Tommy"
greeter.Greet()
printfn "I have just greeted %s." greeter.Whom
let mutable whom = name
member this.Whom
with get () = whom
and set v = whom <- v
member this.Greet() =
printfn "Hello, %s!" whom
let greeter = Greeter("World")
greeter.Greet()
greeter.Whom <- "Tommy"
greeter.Greet()
printfn "I have just greeted %s." greeter.Whom
Submit a new solution for fsharp
There are 14 other solutions in additional languages (clojure, cpp, csharp, fantom ...)
