Struct loam::Reader

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pub struct Reader { /* private fields */ }
Expand description

Reader for loam files

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impl Reader

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pub fn new_empty() -> Result<Self>

Create a new empty Reader

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pub fn new<P: AsRef<Path>>(path: P) -> Result<Self>

Create a new Reader

Examples found in repository?
examples/read.rs (line 4)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let r = loam::Reader::new("test.loam")?;
    let id = r.root()?;
    let root: node::Node = r.lookup(id)?;
    dbg!(root);
    Ok(())
}
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pub fn root(&self) -> Result<Id>

Get the root chunk Id from the last checkpoint.

Examples found in repository?
examples/read.rs (line 5)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let r = loam::Reader::new("test.loam")?;
    let id = r.root()?;
    let root: node::Node = r.lookup(id)?;
    dbg!(root);
    Ok(())
}
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pub fn lookup<D>(&self, id: Id) -> Result<D>

Lookup data for the given chunk Id

Examples found in repository?
examples/read.rs (line 6)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let r = loam::Reader::new("test.loam")?;
    let id = r.root()?;
    let root: node::Node = r.lookup(id)?;
    dbg!(root);
    Ok(())
}

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impl<T> Any for T
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.