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Update how to install rustfmt

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Hidehito Yabuuchi 2019-02-23 19:30:05 +09:00
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commit 76529b9e64
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CONTRIBUTING.md
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@ -96,7 +96,7 @@ ignore the cross-compile test failures or disable them by
using `CFG_DISABLE_CROSS_TESTS=1 cargo test`. Note that some tests are enabled using `CFG_DISABLE_CROSS_TESTS=1 cargo test`. Note that some tests are enabled
only on `nightly` toolchain. If you can, test both toolchains. only on `nightly` toolchain. If you can, test both toolchains.
* All code changes are expected to comply with the formatting suggested by `rustfmt`. * All code changes are expected to comply with the formatting suggested by `rustfmt`.
You can use `rustup component add --toolchain nightly rustfmt-preview` to install `rustfmt` and use You can use `rustup component add --toolchain nightly rustfmt` to install `rustfmt` and use
`rustfmt +nightly --unstable-features --skip-children` on the changed files to automatically format your code. `rustfmt +nightly --unstable-features --skip-children` on the changed files to automatically format your code.
* Push your commits to GitHub and create a pull request against Cargo's * Push your commits to GitHub and create a pull request against Cargo's
`master` branch. `master` branch.