Why Is My Delve Debugger Not Working in Visual Studio Code?

Troubleshooting Delve Debugger in Visual Studio Code

You're experiencing issues getting the Delve debugger to work in Visual Studio Code despite having installed the Go extension. Here's a step-by-step guide to resolve this problem:

Prerequisites

• Install the latest version of Go and set up GOROOT and GOPATH environment variables.
• Add $GOPATH/bin to your OS PATH environment variable.
• Set GO15VENDOREXPERIMENT=1.
• Install dlv (debugger for Go) using go get github.com/derekparker/delve/cmd/dlv. Ensure it's available in $GOPATH/bin.
• Install Visual Studio Code.

DLV Extension and Configuration

• Install the Rich Go language support for Visual Studio Code extension from the Marketplace.

Debugging Setup in VS Code

• Open the folder containing your Go project in VS Code (Ctrl Shift E).
• Open the hello.go file or create a new one.
• Add a breakpoint by pressing F9 on the line you wish to debug (e.g., i := 101).
• Press F5 to start debugging or run the application.
• Use F10 to step over, F11 to step into, and Shift F11 to step out of code blocks.

Launch Configuration

Your launch.json configuration remains untouched by default:

Result

After following these steps, you should be able to successfully use the Delve debugger in Visual Studio Code.

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