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use std::ops::Deref; pub trait OptionDeref<T: Deref> { fn as_deref(&self) -> Option<&T::Target>; } impl<T: Deref> OptionDeref<T> for Option<T> { fn as_deref(&self) -> Option<&T::Target> { self.as_ref().map(Deref::deref) } }
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use std::ops::Deref; pub trait OptionDeref<T: Deref> { fn as_deref(&self) -> Option<&T::Target>; } impl<T: Deref> OptionDeref<T> for Option<T> { fn as_deref(&self) -> Option<&T::Target> { self.as_ref().map(Deref::deref) } }