Struct Reader

Source

pub struct Reader { /* private fields */ }

Expand description

Reader for loam files

Implementations§

Source §

impl Reader

Source

pub fn new_empty() -> Result<Self>

Create a new empty Reader

Source

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

Create a new Reader

Examples found in repository ?

examples/read.rs (line 4)

3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    let r = loam::Reader::new("test.loam")?;
5    let id = r.root()?;
6    let root: node::Node = r.lookup(id)?;
7    dbg!(root);
8    Ok(())
9}

Source

pub fn root(&self) -> Result<Id>

Get the root chunk Id from the last checkpoint.

Examples found in repository ?

examples/read.rs (line 5)

3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    let r = loam::Reader::new("test.loam")?;
5    let id = r.root()?;
6    let root: node::Node = r.lookup(id)?;
7    dbg!(root);
8    Ok(())
9}

Source

pub fn lookup<D>(&self, id: Id) -> Result<D>
where D: DeserializeOwned,

Lookup data for the given chunk Id

Examples found in repository ?

examples/read.rs (line 6)

3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    let r = loam::Reader::new("test.loam")?;
5    let id = r.root()?;
6    let root: node::Node = r.lookup(id)?;
7    dbg!(root);
8    Ok(())
9}