mirror of https://github.com/rust-lang/rust.git
20 lines
433 B
Rust
20 lines
433 B
Rust
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//@ known-bug: #112201
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pub fn compose(
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f1: impl FnOnce(f64) -> f64 + Clone,
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f2: impl FnOnce(f64) -> f64 + Clone,
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) -> impl FnOnce(f64) -> f64 + Clone {
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move |x| f1(f2(x))
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}
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fn repeat_helper(
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f: impl FnOnce(f64) -> f64 + Clone,
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res: impl FnOnce(f64) -> f64 + Clone,
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times: usize,
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) -> impl FnOnce(f64) -> f64 + Clone {
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return res;
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repeat_helper(f.clone(), compose(f, res), times - 1)
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}
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fn main() {}
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