How can you use cargo to build and test Rust code?
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To use cargo to build Rust code, the build command gets used:
cargo build
When using cargo build, the –release flag will build in release mode.
This turns on optimizations and does not include debug code, which makes the compiled program run at its intended speed.
To use cargo to test Rust code, the test command gets used:
cargo test
After running cargo test, a debug version of the program gets built and then the test suite runs.
The results of the tests get displayed as they run, and are marked with a pass or fail. If the test fails, an error message will indicate the cause of the failure.