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Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

target directory

Where Cargo puts everything it builds.

target/ holds a package's build output (target/debug, target/release); it is regenerated by builds and never committed.

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Examples

  • cargo build writes the program to target/debug/hello; cargo build --release writes target/release/hello.

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