How do I know if debug or release Swift?
Swift
- Open your Project Build Settings and search for “Swift Compiler – Custom Flags” … “Other Swift Flags”.
- Add -DDEBUG to the Debug section.
- Add -DRELEASE to the Release section.
- In Swift you can use the following code: #if RELEASE // release only code #else // debug only code #endif.
What is compilation conditions in Swift?
From the Xcode 8 release notes: Active Compilation Conditions is a new build setting for passing conditional compilation flags to the Swift compiler. Each element of the value of this setting passes to swiftc prefixed with -D , in the same way that elements of Preprocessor Macros pass to clang with the same prefix. (
Where is _debug defined?
The compiler defines _DEBUG when you specify the /MTd or /MDd option. These options specify debug versions of the C run-time library. For more information, see CRT Debugging Techniques.
What is debugging in Swift?
The Swift REPL can be used for debugging, to test and interact with your app. When code breaks, typing repl into LLDB will allow you to interactively test code. You can call methods with different arguments, and test new functions by adding them to your existing code.
What are closures in Swift?
In Swift, a closure is a special type of function without the function name. For example, { print(“Hello World”) } Here, we have created a closure that prints Hello World . Before you learn about closures, make sure to know about Swift Functions.
Where is dSYM file stored?
If you have build you project for a real device, you can also find the dSYM file by the following way:
- Go to Project Navigator, and find Products folder.
- Right click the app, and choose Show in Finder.
- You can find the dSYM file with the same name with your app, in the same folder.
Where are dSYMs stored?
dSYM file automatically for you when you use the Archive option. The created archive contains your app and its dSYM and is stored in ~/Library/Developer/xcode/Archives . Reference: dSYM file from device to find the detailed way to find the dSYM file.