7 Surprising Features of the Go Playground
summary
Go Playground does more than run snippets: it supports a UDP local-network example so separate goroutines communicate over localhost, and it pulls third‑party modules (uploader shows using the Bon library) with a go.mod version pinning workflow across multiple files and directories. The environment supports embed to read example source, a writable sandboxed filesystem with fsnotify filesystem events, running tests as go test functions, clearing terminal output via control characters for a Matrix‑rain demo, and rendering images with draw2d image output; alternate frontends like go play.tools and golay dospace add autocomplete, WASM and graphics modes.
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