Debugging breakpoints as a replacement for prints – onlinecode

Debugging breakpoints as a replacement for prints – onlinecode

In this post we will give you information about Debugging breakpoints as a replacement for prints – onlinecode. Hear we will give you detail about Debugging breakpoints as a replacement for prints – onlinecodeAnd how to use it also give you demo for it if it is necessary.

Debugging breakpoints in Xcode allows you to replace prints and reuse debugging statements in future debugging sessions. By simply enabling and disabling needed breakpoints you can also get rid of debug levels as often defined in libraries like CocoaLumberjack.

  • Reuse breakpoints by enabling them when needed
  • Use breakpoints to replace print statements
  • Keep your code clean without debugging logs

Architecting SwiftUI apps with MVC and MVVMAlthough you can create an app simply by throwing some code together, without best practices and a robust architecture, you’ll soon end up with unmanageable spaghetti code. Learn how to create solid and maintainable apps with fewer bugs using this free guide.

Inspired by @twostraws’s debugging presentation at @AppdevconNL I now keep around breakpoints instead of print statements for debugging.

✅ Enable / Disable when needed
? Catch bugs faster with reusing debug breakpoints

Example: JSON printing in the console ?? pic.twitter.com/JB0lLyyRll

— Antoine v.d. Lee (@twannl) July 12, 2018

Using debugging breakpoints

The most simple implementation of debugging breakpoints is by adding a print breakpoint instead of adding a print statement in our code. Instead of the following code:

print("Did add (content.count) content items to bucket (bucket.name)")

We create a breakpoint on the line where we want the print to be triggered. By right-clicking the breakpoint and selecting Edit breakpoint... we enter the breakpoint detail view.

In this view, you are able to define the behaviour of the breakpoint once it’s triggered.

Editing a breakpoint

This will log the following line in your console:

"Did add 2 content items to bucket Photos"

po stands for print object and can be used to print any reachable objects within the context of the breakpoint line. By ticking Automatically continue after evaluating actions you allow the debugger to continue without pausing once the breakpoint is hit.

Architecting SwiftUI apps with MVC and MVVMAlthough you can create an app simply by throwing some code together, without best practices and a robust architecture, you’ll soon end up with unmanageable spaghetti code. Learn how to create solid and maintainable apps with fewer bugs using this free guide.

You can do a lot more with debugging breakpoints. A great start is to check out the talk by Paul Hudson “How to debug like a pro” which is available here.

 

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