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| author | Chris Midgley <chris.midgley@dunecomputers.co.uk> | 2021-07-21 10:29:20 +0100 |
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| committer | Chris Midgley <chris.midgley@dunecomputers.co.uk> | 2021-07-21 10:29:20 +0100 |
| commit | e09d78260908436e6bc1691f23cda2ee8382545a (patch) | |
| tree | 59e12fd63347de34d472f23ba963d8c4a75af87c | |
| parent | 320d049e876579cd5c57be17e791a519f9b852a0 (diff) | |
| download | rust-e09d78260908436e6bc1691f23cda2ee8382545a.tar.gz rust-e09d78260908436e6bc1691f23cda2ee8382545a.zip | |
add working code example
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0722.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0722.md b/compiler/rustc_error_codes/src/error_codes/E0722.md index 4a687d74288..1513c4ce059 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0722.md +++ b/compiler/rustc_error_codes/src/error_codes/E0722.md @@ -19,6 +19,16 @@ The `#[optimize]` attribute should be used as follows: - `#[optimize(speed)]` -- instructs the optimization pipeline to generate code that's faster rather than smaller +For example: +``` +#![feature(optimize_attribute)] + +#[optimize(size)] +pub fn something() {} + +fn main() {} +``` + See [RFC 2412] for more details. [RFC 2412]: https://rust-lang.github.io/rfcs/2412-optimize-attr.html |