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use preserves::value::IOValue;
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use std::rc::Rc;
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pub enum Path {
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Root,
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Step(IOValue, Rc<Path>),
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}
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impl Path {
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pub fn root() -> Rc<Self> {
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Rc::new(Path::Root)
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}
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pub fn step(self: &Rc<Self>, v: &IOValue) -> Rc<Self> {
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Rc::new(Path::Step(v.clone(), Rc::clone(self)))
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}
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}
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