Treehouse | Community | Initializing Optional Values

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Kyler Smith
10,110 Points
Return a valid instance. Swift 2.0 optionals.

Posted June 18, 2016 3:28pm by Kyler Smith

Kyler Smith
10,110 Points
1 Answer
PLUS

Elijah Florence
Courses Plus Student 3,225 Points
I am lost

Posted June 13, 2016 4:59pm by Elijah Florence

Elijah Florence
Courses Plus Student 3,225 Points
1 Answer
Natalie Lim
6,702 Points
At 7:35 are you supposed to say "let adress" or was that a mistake?

Posted June 12, 2016 1:30am by Natalie Lim

Natalie Lim
6,702 Points
2 Answers
PLUS

Elijah Florence
Courses Plus Student 3,225 Points
Why does it keep giving me this error?

Posted June 11, 2016 3:58pm by Elijah Florence

Elijah Florence
Courses Plus Student 3,225 Points
1 Answer
Jeff Norton
4,366 Points
I don't see how a dictionary that's passed into the initializer can contain both the title and the author.

Posted June 3, 2016 11:47pm by Jeff Norton

Jeff Norton
4,366 Points
1 Answer
Connor Crawford
6,405 Points
Trying to retrieve a value from an embedded array within a dictionary through optional binding.

Posted June 1, 2016 9:45pm by Connor Crawford

Connor Crawford
6,405 Points
0 Answers
Tarcan Arca
3,572 Points
What's wrong with this initializer?

Posted May 28, 2016 9:30pm by Tarcan Arca

Tarcan Arca
3,572 Points
2 Answers
Taylor Amsler
4,427 Points
What is the value in the new syntax for "If-let" optional binding? I only see minor differences.

Posted May 25, 2016 10:47pm by Taylor Amsler

Taylor Amsler
4,427 Points
2 Answers
PLUS

shane reichefeld
Courses Plus Student 2,232 Points
Help i cant solve problem

Posted May 24, 2016 11:53pm by shane reichefeld

shane reichefeld
Courses Plus Student 2,232 Points
1 Answer
Paul Je
4,435 Points
Initializers may only be declared within a type? How would I declare dict as a type?

Posted May 23, 2016 2:13am by Paul Je

Paul Je
4,435 Points
2 Answers
Paul Je
4,435 Points
Help! Not sure how the syntax must be formatted in order to assign from nested array

Posted May 22, 2016 4:01am by Paul Je

Paul Je
4,435 Points
1 Answer
PLUS

shane reichefeld
Courses Plus Student 2,232 Points
Can someone walk me through this problem step by step so i can better understand?

Posted May 17, 2016 11:59pm by shane reichefeld

shane reichefeld
Courses Plus Student 2,232 Points
1 Answer
PLUS

shane reichefeld
Courses Plus Student 2,232 Points
Can someone walk me through this problem step by step so i can better understand?

Posted May 17, 2016 11:59pm by shane reichefeld

shane reichefeld
Courses Plus Student 2,232 Points
0 Answers
Austin Whitelaw
9,065 Points
Initializing Optional Values Question

Posted May 11, 2016 1:51pm by Austin Whitelaw

Austin Whitelaw
9,065 Points
1 Answer
PLUS

shane reichefeld
Courses Plus Student 2,232 Points
Can someone help solve and explain what each line does?

Posted May 9, 2016 8:47pm by shane reichefeld

shane reichefeld
Courses Plus Student 2,232 Points
1 Answer
Alexandre Serra Jaumot
6,977 Points
It works in Xcode but not in the Editor..

Posted May 4, 2016 12:19pm by Alexandre Serra Jaumot

Alexandre Serra Jaumot
6,977 Points
1 Answer
Andrés Leal
9,563 Points
I don't get why is or why we use guard

Posted May 2, 2016 3:04am by Andrés Leal

Andrés Leal
9,563 Points
2 Answers
PLUS

shane reichefeld
Courses Plus Student 2,232 Points
Im confused on what to assign to what value?

Posted April 28, 2016 9:29pm by shane reichefeld

shane reichefeld
Courses Plus Student 2,232 Points
1 Answer
Berry Loeffen
4,303 Points
Adding a function to the next challenge.

Posted April 25, 2016 10:28am by Berry Loeffen

Berry Loeffen
4,303 Points
1 Answer
Darshan Padmanabhan
3,101 Points
optionals.swift

Posted April 25, 2016 4:27am by Darshan Padmanabhan

Darshan Padmanabhan
3,101 Points
1 Answer
Benjamin Lim
2,747 Points
I understand most of this, but will someone explain the last part?

Posted April 20, 2016 5:48pm by Benjamin Lim

Benjamin Lim
2,747 Points
1 Answer
Carl Smith
8,185 Points
How do I create the "dict" parameter?

Posted April 15, 2016 5:09am by Carl Smith

Carl Smith
8,185 Points
2 Answers
Carl Smith
8,185 Points
This is confusing to me

Posted April 14, 2016 4:49am by Carl Smith

Carl Smith
8,185 Points
1 Answer
mahi
7,137 Points
can't figure this one out!!

Posted April 10, 2016 1:29pm by mahi

mahi
7,137 Points
1 Answer
Nicholai Hansen
2,395 Points
What are the inputs in createFriend supposed to signify?

Posted April 2, 2016 7:06pm by Nicholai Hansen

Nicholai Hansen
2,395 Points
1 Answer
MINJI KIM
1,905 Points
don't understand the question :(

Posted March 31, 2016 11:19am by MINJI KIM

MINJI KIM
1,905 Points
2 Answers
PLUS

Austin Hawks
Courses Plus Student 3,003 Points
Optional Unwrapping

Posted March 30, 2016 3:54am by Austin Hawks

Austin Hawks
Courses Plus Student 3,003 Points
1 Answer
Antony Gabagul
9,351 Points
Having trouble with this problemtask

Posted March 29, 2016 9:34pm by Antony Gabagul

Antony Gabagul
9,351 Points
1 Answer
Antony Gabagul
9,351 Points
Getting variable outside of if-statement

Posted March 29, 2016 7:30pm by Antony Gabagul

Antony Gabagul
9,351 Points
1 Answer
Faradja Nondo
1,485 Points
Why do we use func createFriend(dict: [String: String]) -> Friend? instead of func createFriend(dict: String) ->?

Posted March 29, 2016 5:01am by Faradja Nondo

Faradja Nondo
1,485 Points
2 Answers

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