How do I debug a Go program in VS Code?

Use the integrated debugger with Delve (`dlv`). Set breakpoints, run the debug configuration from the Run view, and inspect variables in the debugging panel. The extension also provides a test explorer for debugging unit tests directly.

VS Code Go extension vs GoLand: which is better?

VS Code Go is free and deeply integrated with VS Code, ideal for those already in that ecosystem. GoLand offers more advanced refactoring and static analysis but is a paid IDE. Choose based on budget, feature needs, and editor preference.

Why is code completion not working in VS Code Go?

Often due to `gopls` issues. Check if `gopls` is running via the status bar icon, restart the language server, or update tools using 'Go: Install/Update Tools'. The troubleshooting guide covers common fixes for IntelliSense problems.

How to update Go tools in VS Code?

Open the command palette (Ctrl+Shift+P) and run 'Go: Install/Update Tools'. This updates `gopls`, `dlv`, and other optional tools to their latest versions, ensuring compatibility with new Go releases.

Does VS Code Go support semantic highlighting?

Yes, but it's disabled by default. Enable it by setting 'gopls.ui.semanticTokens' to true in your VS Code settings for enhanced syntax highlighting, as the default relies on basic TextMate rules.

What Go versions are compatible with VS Code Go?

The extension officially supports the two most recent major Go releases (e.g., 1.22 and 1.21), with best-effort for the last three. For older versions, consult the compatibility wiki and manually install compatible tool versions.

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vscode-go

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Official Visual Studio Code extension providing rich language support for Go, including IntelliSense, debugging, and testing.

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What is vscode-go?

VS Code Go is the official Go extension for Visual Studio Code, providing comprehensive language support for Go development. It integrates tools like the Go language server (`gopls`) and the Delve debugger (`dlv`) to offer features such as IntelliSense, code navigation, diagnostics, testing, and debugging directly within the editor. It solves the problem of setting up a fully-featured Go development environment by bundling and managing the necessary tooling.

Target Audience

Go developers using Visual Studio Code who want a robust, officially-supported development environment with deep language integration.

Value Proposition

Developers choose this extension because it is the official Go tooling team's solution, ensuring high quality, reliability, and close alignment with the Go language's evolution. It provides a seamless, out-of-the-box experience by automatically managing dependencies like `gopls` and offering a comprehensive feature set for professional Go development.

Overview

Go extension for Visual Studio Code

Use Cases

Best For

Go developers seeking an official, well-supported IDE experience in VS Code
Teams requiring consistent and reliable Go tooling across development environments
Projects that benefit from integrated debugging and testing workflows
Developers transitioning to Go modules who need editor support for the new dependency system
Users who want automatic installation and updates of core Go tools like `gopls`
Writing and maintaining large Go codebases with features like code navigation and diagnostics

Not Ideal For

Developers using IDEs or editors other than Visual Studio Code
Projects locked to outdated Go versions beyond the last three major releases
Teams with complex, multi-module workspaces requiring manual configuration
Users who prefer to manually manage and version-control their Go toolchain

Pros & Cons

Pros

Official Maintenance

Maintained by the Go tools team, ensuring high reliability and close alignment with Go language updates, as stated in the philosophy.

Automatic Tool Management

Installs and updates core tools like `gopls` and `dlv` automatically, reducing setup friction and keeping the environment current.

Comprehensive IDE Features

Integrates IntelliSense, debugging, testing, and code navigation into a single extension, transforming VS Code into a full-featured Go IDE.

Go Modules First

Designed with Go modules as the default, offering seamless support for modern dependency management and workspace organization.

Cons

`gopls` Dependency Vulnerabilities

Core functionality hinges on `gopls`, so bugs or performance regressions in the language server can directly impair the editing experience without a workaround.

Complex Multi-Module Setup

The README admits that projects with multiple modules or unusual layouts require additional workspace folder configuration, which can be non-trivial.

Limited Legacy Support

Officially supports only the latest two Go releases, forcing teams on older versions to seek compatibility workarounds or stick with outdated extension versions.

Frequently Asked Questions

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