First-class functions: Difference between revisions
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<lang rust>#![feature(conservative_impl_trait)] |
<lang rust>#![feature(conservative_impl_trait)] |
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#![feature(conservative_impl_trait)] |
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fn main() { |
fn main() { |
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let cube = |x: f64| x.powi(3); |
let cube = |x: f64| x.powi(3); |
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