Treehouse | Community | Higher Order Functions

🤑 Join the Treehouse affiliate program and earn 25% commission!

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Tim Polehn
7,461 Points
I can make this code work on Xcode but it will not work on your test what am I missing?

Posted September 1, 2015 8:40am by Tim Polehn

Tim Polehn
7,461 Points
1 Answer
Sidharth Kaushik
3,431 Points
To simplify a closure signature, we can use a as named alias of an existing type .

Posted August 30, 2015 3:11pm by Sidharth Kaushik

Sidharth Kaushik
3,431 Points
1 Answer
Nick Grothe
3,461 Points
I am following the instructions and getting no errors in the editor but I am not getting a pass - can you please help?

Posted August 29, 2015 8:06pm by Nick Grothe

Nick Grothe
3,461 Points
1 Answer
Sidharth Kaushik
3,431 Points
A combination of a function and an environment of captured variables is called a

Posted August 29, 2015 2:38pm by Sidharth Kaushik

Sidharth Kaushik
3,431 Points
3 Answers
Sidharth Kaushik
3,431 Points
Write a simple function, named printer, that accepts a string and prints it.

Posted August 27, 2015 3:42pm by Sidharth Kaushik

Sidharth Kaushik
3,431 Points
1 Answer
Brian Patterson
19,588 Points
func downloadJSONFromURL(completion:([String:AnyObject]?)->())

Posted August 26, 2015 10:20pm by Brian Patterson

Brian Patterson
19,588 Points
1 Answer
Alec Coyle-Nicolas
2,346 Points
How is a parameter and a return type without a body of code considered a closure?

Posted August 25, 2015 4:21pm by Alec Coyle-Nicolas

Alec Coyle-Nicolas
2,346 Points
1 Answer
Sumit Pandey
2,252 Points
[Solved] Question with the task in swift closures.

Posted August 25, 2015 11:08am by Sumit Pandey

Sumit Pandey
2,252 Points
3 Answers
Amit Kalra
3,078 Points
Am I missing something in this function?

Posted August 25, 2015 5:01am by Amit Kalra

Amit Kalra
3,078 Points
3 Answers
Bruce G
5,360 Points
What is numbers for?

Posted August 21, 2015 9:22am by Bruce G

Bruce G
5,360 Points
1 Answer
Robert Friedland
5,357 Points
Challenge Task 2 of 2 on Swift Closures (On Step 4); Errors?

Posted August 18, 2015 12:53am by Robert Friedland

Robert Friedland
5,357 Points
2 Answers
Leonardo Santos
5,290 Points
The code works in Playground, but not in exercise screen

Posted August 14, 2015 10:20pm by Leonardo Santos

Leonardo Santos
5,290 Points
0 Answers
David Bauer
3,863 Points
Using the Sorted Function gives an error

Posted August 13, 2015 6:25pm by David Bauer

David Bauer
3,863 Points
2 Answers
PLUS

Gabriel Kieruzel
Courses Plus Student 19,655 Points
closure

Posted August 9, 2015 3:00pm by Gabriel Kieruzel

Gabriel Kieruzel
Courses Plus Student 19,655 Points
1 Answer
Ivan Ornes
5,992 Points
1) function that receives the function and two Ints, returns Int 2)function that receives a function returns function?

Posted August 6, 2015 4:01pm by Ivan Ornes

Ivan Ornes
5,992 Points
0 Answers
Oguzhan Cetinkaya
2,172 Points
Here is my latest answer for task 2: let difference = mathOperation(differenceBetweenNumbers,3,5) What is the problem?

Posted August 4, 2015 4:51pm by Oguzhan Cetinkaya

Oguzhan Cetinkaya
2,172 Points
2 Answers
Tony Luo
14,224 Points
Higher Order Functions - Why isn't my code passing in the online editor but works as expected in the playground?

Posted August 3, 2015 4:07pm by Tony Luo

Tony Luo
14,224 Points
3 Answers
Will Mead
1,376 Points
Task One on Swift Closures, Please Help

Posted August 1, 2015 11:51am by Will Mead

Will Mead
1,376 Points
1 Answer
Jonas Kristensen
2,738 Points
Don't get the challenge

Posted July 28, 2015 9:39pm by Jonas Kristensen

Jonas Kristensen
2,738 Points
0 Answers
Vaclav Mlejnsky
6,832 Points
Computing difference between numbers with function as a parameter

Posted July 27, 2015 2:34pm by Vaclav Mlejnsky

Vaclav Mlejnsky
6,832 Points
4 Answers
dexter foo
8,233 Points
why in a lot of Pasan's videos does he define something as a constant but says he's defining it as a variable?

Posted July 26, 2015 2:38pm by dexter foo

dexter foo
8,233 Points
1 Answer
dexter foo
8,233 Points
why does the constant work with integers but not the function which the constant is assigned to?

Posted July 26, 2015 8:13am by dexter foo

dexter foo
8,233 Points
1 Answer
Dominic Pettifer
4,338 Points
How to get network code to run

Posted July 23, 2015 11:53pm by Dominic Pettifer

Dominic Pettifer
4,338 Points
0 Answers
Radu Savutiu
3,167 Points
High order functions Challenge 2 of 2 broken

Posted July 22, 2015 8:11pm by Radu Savutiu

Radu Savutiu
3,167 Points
2 Answers
vibhukikani
2,864 Points
Second task is not passing though the answer is correct.

Posted July 22, 2015 3:40pm by vibhukikani

vibhukikani
2,864 Points
1 Answer
Mor Koshokaro
5,466 Points
Problem with the closures code challange :<

Posted July 21, 2015 12:15pm by Mor Koshokaro

Mor Koshokaro
5,466 Points
2 Answers
kevin11
2,535 Points
Swift Closure Challenge?

Posted July 20, 2015 1:47pm by kevin11

kevin11
2,535 Points
1 Answer
Kishan S
15,410 Points
Capturing Variables Difference?

Posted July 19, 2015 2:10pm by Kishan S

Kishan S
15,410 Points
0 Answers
Lukas Smith
4,026 Points
Why my code not work ?

Posted July 18, 2015 12:06am by Lukas Smith

Lukas Smith
4,026 Points
2 Answers
David Frenkel
14,548 Points
Whats wrong with this? It runs perfectly in Xcode!

Posted July 17, 2015 1:51pm by David Frenkel

David Frenkel
14,548 Points
2 Answers

Prev Page 3 of 5 Next

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.