#![feature(optimize_attribute)] //@ is "$.index[?(@.name=='speed')].attrs" '["#[attr = Optimize(Speed)]"]' #[optimize(speed)] pub fn speed() {} //@ is "$.index[?(@.name=='size')].attrs" '["#[attr = Optimize(Size)]"]' #[optimize(size)] pub fn size() {} //@ is "$.index[?(@.name=='none')].attrs" '["#[attr = Optimize(DoNotOptimize)]"]' #[optimize(none)] pub fn none() {}