How to use conditional breakpoints in Go debugging?

To use conditional breakpoints in Go debugging, you can follow these steps:

  1. Open your Go code project in an Integrated Development Environment (IDE) that supports Go debugging, such as Visual Studio Code (VS Code) with the official Go extension installed.

  2. Set up breakpoints in your code where you want the execution to pause. You can do this by clicking on the left gutter of the line number in the code editor or by adding the line runtime.Breakpoint() to programmatically define a breakpoint at a specific location.

  3. Once you have set a breakpoint, right-click on it and select "Edit Breakpoint" or any similar option based on your IDE. This will open a dialog or a text field where you can specify the condition for the breakpoint.

  4. Enter the condition for the breakpoint in the provided input field. The condition should be a valid Go expression that evaluates to a boolean (true or false). For example, you can check the value of a variable or an expression, like i == 5.

  5. Save the breakpoint with the specified condition.

  6. Start debugging your Go code by running the debugging tool in your IDE or by running the go debug command if you're using the command-line debugger.

  7. Once the program reaches the conditional breakpoint, it will only pause if the specified condition evaluates to true. You can inspect variables and step through the code to understand the program flow.

  8. Continue debugging until you reach the desired breakpoint with the desired condition.

By using conditional breakpoints, you can make the debugging process more efficient and focused by breaking the execution only when certain conditions are met, rather than stopping at every breakpoint.