8 lines
182 B
Text
8 lines
182 B
Text
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#![feature(conservative_impl_trait)]
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fn compose<'a,F,G,T,U,V>(f: F, g: G) -> impl Fn(T) -> V + 'a
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where F: Fn(U) -> V + 'a,
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G: Fn(T) -> U + 'a,
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{
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move |x| f(g(x))
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}
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