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iOS

James Holland
James Holland
874 Points
Posted by James Holland
James Holland
874 Points

Another iOS Function question

I am having trouble on second challenge question (see below for context):

//Challenge Task 1 of 2: Declare a function named greeting and within that function you will have a println statement that outputs "Hello".

//Challenge Task 2 of 2: Call the function named greeting that you declared in the previous task.

I've tried:

func greeting(person: String) { let person = "Brad" println("Hello (person)") }

Here's the error message: Bummer! Your greeting function printed "Hello Brad" when called with "XYZZY" as the parameter. It should have printed "Hello XYZZY".

What am I missing? Thanks!

3 Answers

kjvswift93
kjvswift93
13,515 Points
kjvswift93
kjvswift93
13,515 Points

Challenge 2 should look like this:

func greeting(person: String) {
    println("Hello \(person)")
}

Then, to call the greeting function and pass in "Tom" as the person for challenge 3 it should look like this:

func greeting(person: String) {
    println("Hello \(person)")
}

greeting("Tom")
James Holland
James Holland
874 Points
James Holland
James Holland
874 Points

That did it, thanks Kyle! Not sure why I insisted on adding a Constant!

kjvswift93
kjvswift93
13,515 Points
kjvswift93
kjvswift93
13,515 Points

The challenge isn't asking for any parameters. It should look like this:

func greeting() {
  println("Hello")
}

greeting()
James Holland
James Holland
874 Points
James Holland
James Holland
874 Points

My mistake, I posted the wrong Challenge Question. Should read:

Challenge Task 2 of 3

Modify the println statement within the greeting function to use the variable person. For example, if you pass a person named "Tom" to the function then it should display: Hello Tom. (Hint: you must use string interpolation).

John Stephanites
John Stephanites
2,007 Points
John Stephanites
John Stephanites
2,007 Points

I had written this function but I didn't have the line breaks as shown so the editor would not compile. I say this because although the code is correct if you do not break it down as Kyle shows it will not compile. What I mean by this is if you put the curly brace on the same line as greeting("Tom") and not on a separate line it will not compile. At least that is how it seems to me. Which is good because it teaches you to write for better readability. It pissed me off at first but I am slowly coming round!