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CFGetRetainCount not work
show error cannot find 'CFGetRetainCount' in scope

There is a new version of Swift: 5.8
https://github.com/apple/swift/releases/tag/swift-5.8-RELEASE

Can you support it please?

There is a new version of Swift: 5.6.3

https://github.com/apple/swift/releases/tag/swift-5.6.3-RELEASE

Can you support it please?

There is a new version of Swift: 5.9.1
https://github.com/apple/swift/releases/tag/swift-5.9.1-RELEASE
Can you support it please?

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Recently you made a change for the command line output to remember previous output history.

Personally, I appreciated it when the command line was reset per run. It would be very great if there was a toggle for this kind of option that would be saved. Or even just a button to clear it, or even a keyboard shortcut like Cmd K in Xcode. The current workaround is to refresh the page (and remember to copy the code).

Share button does work only after clicking on Settings button

There is a new version of Swift: 5.9
https://github.com/apple/swift/releases/tag/swift-5.9-RELEASE

Can you support it please?

Hi!

I'm new to Swift and I was trying to use the playground to create an HStack using this code:

struct ContentView: View {
    
    var body: some View {
        
        HStack {
                        
            Text("Some Text")
            Text("Another Text")
            
        }
        
    }
    
}

When running, the error occurred "cannot find type 'View' in scope"
Then I added "import SwiftUI" to the top of the code and the error changed to "no such module 'SwiftUI'".

As far as I understand, "View" is one of the most basic things in Swift. Is there a way I can use it in your playground?

Swift V5.7.3
Output:
N/A
*** No output. ***
Maximum execution time of 60 seconds exceeded.

when running code via Swift V5.7.1
Output:
N/A
*** No output. ***
Maximum execution time of 60 seconds exceeded.

Great project, I love it!
Dark Mode will make it even better.

Swift 5.1: (so fast)

Swift 5.9.2 (so slow)

Today I was AFK, but needed to try out some Swift code for a StackOverflow answer. I used my iPhone and SwiftFiddle worked beautifully. 🚀

I could not find a simple way to copy the code I typed in though. I took the scenic route (screenshot, extract code via OCR). Is there a better way that I missed? If not, I would love a “Copy to Clipboard” button :)

Can I run an asynchronous task in swiftfiddle?
Nothing was printed with this code

import Foundation

let main = DispatchQueue.main

main.async {
    print("on main")
}

It would be great to interact with playground for multiple users simultaneously like https://code.yandex-team.ru/

Hi,

When I try to share a code snipper, the share windows appears very briefly and then disappears. After that, this error appears

TypeError: Cannot set properties of null (setting 'href')

Thanks for providing this cool tool :)

There is a new version of Swift: 5.6.2
Date: June 15, 2022
https://github.com/apple/swift/releases/tag/swift-5.6.2-RELEASE
Can you support it please?

Sometimes, when pressing "Run," this error occurred:

Simple code:

import Foundation

func sendPostRequest(urlString: String, headers: [String: String], jsonObject: [String: Any], completion: @escaping (Data?, URLResponse?, Error?) -> Void) {
    // Convert the JSON object to Data
    guard let jsonData = try? JSONSerialization.data(withJSONObject: jsonObject) else {
        print("Error converting JSON object to data")
        return
    }

    // Create the URL
    guard let url = URL(string: urlString) else {
        print("Invalid URL")
        return
    }

    // Create the request
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.allHTTPHeaderFields = headers
    request.httpBody = jsonData

    // Create the URLSession and task
    let session = URLSession.shared
    let task = session.dataTask(with: request, completionHandler: completion)

    // Start the task
    task.resume()
}

// Example usage
let url = "https://swiftfiddle.com/runner/5.9.2/run"
let headers = [
    "Content-Type": "application/json; charset=UTF-8"
]
let script = "print(\"Hello, Swift!\")"  // Replace this with your actual script
let jsonObject = [
    "code": script
]

sendPostRequest(urlString: url, headers: headers, jsonObject: jsonObject) { (data, response, error) in
    // Handle the response here
    if let error = error {
        print("Error: \(error)")
    } else if let data = data {
        if let resultString = String(data: data, encoding: .utf8) {
            print("Response: \(resultString)")
        } else {
            print("Unable to convert data to string")
        }
    } else {
        print("No data received")
    }
}

output:

Response: {"output":"Hello, Swift!\n","errors":"","version":"Swift version 5.9.2 (swift-5.9.2-RELEASE)\nTarget: x86_64-unknown-linux-gnu\n"}

Execution Time: Approximately 50 seconds.
Please note that the execution time for the same code and Swift version on the website is approximately 19 seconds.

Hi, I'd like to thank you for creating this great online swift playground.

The only thing lacks from this application is an interactive terminal. It seems I can't use readLine() function (will produces lots of error messages). The terminal also doesn't seem to support ANSI escape sequence, so this print("\u{1B}[93mTest") (should print Test in yellow) doesn't work either.

Other than that, it's a great online swift playground. Keep up the good work! 👍

Thank you.

There is a new versions of Swift: 5.7.2 and 5.7.3
https://github.com/apple/swift/releases/tag/swift-5.7.2-RELEASE
https://github.com/apple/swift/releases/tag/swift-5.7.3-RELEASE

Can you support please?

Hi, when I visit https://swiftfiddle.com/ I get a big scary warning. It looks like your SSL/TLS certificate expired on April 1st.

code: print(
output: 2:1: error: expected expression in list of expressions
expected: 1:7: error: expected expression in list of expressions

Gives an error when importing.

There is a new version of Swift: 5.8.1
https://github.com/apple/swift/releases/tag/swift-5.8.1-RELEASE

Can you support it please?

Any comment containing a single quote will trigger this bug.:

Example 1
code:

//'
print("hello")

output:

//
sh: 2: Syntax error: word unexpected (expecting ")")

Example 2
code:

//blah blah blah
//blah blah bla'h
//blah blah blah
//blah blah blah
//blah blah blah

output:

//blah blah blah
//blah blah blah
sh: 3: 
//blah: not found
sh: 4: //blah: not found
sh: 5: 
Syntax error: Unterminated quoted string

There is a new version of Swift: 5.7.1

https://github.com/apple/swift/releases/tag/swift-5.7.1-RELEASE

Can you support it please?

SwiftFiddle has possibly the laggiest editor I've ever used. Even things like Ctrl-A (select all) are slow. I find it easier to write my code in Notepad, and then copy-paste it into the browser to test it.

I recently got a new computer and it hasn't been as bad there, so it might be hardware-related, but I don't understand how an in-browser editor can be unusable with a 10th gen i7 and then work fine on newer hardware. It isn't browser-specific; I've noticed the same behavior on both Firefox and Chrome.

If I use swiftfiddle.com can like my code stay confidential and not stolen or legally used against like my wishes? Like does your swiftFiddle.com save without permission? Are you in WIPO Copyright Treaty area (look up WIPO Copyright Treaty then contracting parties in it to check) so there are legal reprocussions if you use like my code unauthorized? Why do I have to open an issue to contact you? Can you contact me at [email protected] or +1 804-547-9934 via text or email?

Sometimes for the same input there are different outputs.
Example code:

print("sentence1")
#warning("warning1")
print("sentence2")
#warning("warning2")
#warning("warning3")

output1:

output2:

Response1:

{"kind":"version","text":"Swift version 5.9.2 (swift-5.9.2-RELEASE)\nTarget: x86_64-unknown-linux-gnu\n"}
{"kind":"stderr","text":"<stdin>:2:10: warning: warning1\n#warning(\"warning1\")\n         ^~~~~~~~~~\n<stdin>:4:10: warning: warning2\n#warning(\"warning2\")\n         ^~~~~~~~~~\n<stdin>:5:10: warning: warning3\n#warning(\"warning3\")\n         ^~~~~~~~~~\n"}
{"kind":"stdout","text":"sentence1\nsentence2\n"}

Response2:

{"kind":"version","text":"Swift version 5.9.2 (swift-5.9.2-RELEASE)\nTarget: x86_64-unknown-linux-gnu\n"}
{"kind":"stderr","text":"<stdin>"}
{"kind":"stderr","text":":2:10: warning: warning1\n#warning(\"warning1\")\n         ^~~~~~~~~~\n<stdin>:4:10: warning: warning2\n#warning(\"warning2\")\n         ^~~~~~~~~~\n<stdin>:5:10: warning: warning3\n#warning(\"warning3\")\n         ^~~~~~~~~~\n"}
{"kind":"stdout","text":"sentence1\nsentence2\n"}

In response2 there is two "stderr".

another example:

// print("ssssss")
// print("aaaaa")
//  #warning("ikkkkk"
//  print("adsdd")
//  #warning("asas")
//  #warning("mimo")

 print("ssssss")
 #warning("ikkkkk")
 print("adsdd")
 #warning("asas")
 #warning(\"mimo\")

output (sometimes there is two stderr):

{"kind":"version","text":"Swift version 5.9.2 (swift-5.9.2-RELEASE)\nTarget: x86_64-unknown-linux-gnu\n"}
{"kind":"stderr","text":"<stdin>:12:12: error: unterminated string literal\n #warning(\\\"mimo\\\")\n           ^\n<stdin>:12:11: error: expected string literal in #warning directive\n #warning(\\\"mimo\\\")\n          ^\n          \"        \")\n<stdin>:9:11: warning: ikkkkk\n #warning(\"ikkkkk\")\n          ^~~~~~~~\n"}
{"kind":"stderr","text":"<stdin>:11:11: warning: asas\n #warning(\"asas\")\n          ^~~~~~\n"}

Sometimes when I press run, an error occurs.

I was exploring SwiftFiddle, which is tremendous, and while doing so noticed a minor bug.

When you mouse over back and forth between the button LSP and the button Share, the position of the Share button migrates just slightly to the right. I made a short video illustrating what I'm seeing. I didn't see a version or reference to provide you specific release detail, but this was happening on 5 may, 2023 15:13 UTC

I saw that help states

Append a GitHub gist ID to the URL
(e.g. swiftfiddle.com/<gist_id_goes_here>)

I've tried this with this gist: https://gist.github.com/finestructure/742260260c633c3ec62004f009507306 with various ways of appending the gist id (both just the id as well as finestructure/id) but can't seem to get it right 😅

Should this be working or is this not available anymore?

When running with the nightly releases, I get the following error message (example from nightly-main:

Swift version 5.11-dev (LLVM 6751d2aa5dca44c, Swift 90f192abfeb5f17)
Target: x86_64-unknown-linux-gnu
docker: invalid reference format.
See 'docker run --help'.

Impacting Runners:

• nightly-5.7
• nightly-5.8
• nightly-5.9
• nightly-5.10
• nightly-main

When we choose Swift Version: nightly-5.7 , the output is for: Swift version 5.7.1
expected: Swift version 5.7

output example:
Swift version 5.7.1-dev (LLVM 597c04db307f4ed, Swift 2e814ca5d704c9f)
Target: x86_64-unknown-linux-gnu
Hello, World!
Hello, Swift!

Hi. I'm trying to test async procedures. Here's what I'm working with:

import Foundation

let plusOneError = NSError(
  domain: "addOne",
  code: 10,
  userInfo: [
      NSLocalizedDescriptionKey: "Plus one error."
  ])

func addOne(_ value: Int, delay: Double = 0.0) async throws -> Void {
  try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
        DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
            if value < 0 { continuation.resume(throwing: plusOneError) }
            print(value + 1)
            continuation.resume(returning: Void())
        }
    }
}

func startProcess() -> Void {

  let group = DispatchGroup()
  group.enter()

  Task {
    do {

      try await addOne(5, delay: 1.0)
      group.leave()

    } catch {
      print(error)
      group.leave()
    }
  }

  group.wait()
}

startProcess()