Struct photondb::env::Photon

pub struct Photon;

An implementation of Env based on PhotonIO.

Trait Implementations

impl Clone for Photon

fn clone(&self) -> Photon

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Photon

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Env for Photon

fn rename<'life0, 'async_trait, P, Q>(
    &'life0 self,
    from: P,
    to: Q
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Q: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

An async version of std::fs::rename.

fn remove_file<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

An async version of std::fs::remove_file.

fn create_dir_all<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

An async version of std::fs::create_dir.

fn remove_dir_all<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

An async version of std::fs::remove_dir.

fn read_dir<P: AsRef<Path>>(&self, path: P) -> Result<ReadDir>

Returns an iterator over the entries within a directory. See also std::fs::read_dir.

type PositionalReader = PositionalReader

Positional readers returned by the environment.

type SequentialWriter = SequentialWriter

Sequential writers returned by the environment.

type JoinHandle<T: Send> = JoinHandle<T>

Handles to await tasks spawned by the environment.

type Directory = Directory

Directories returned by the environment.

fn open_positional_reader<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<Self::PositionalReader>> + Send + 'async_trait>>where
    P: AsRef<Path> + Send + 'async_trait,
    Self: 'async_trait,
    'life0: 'async_trait,

Opens a file for positional reads.

fn open_sequential_writer<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<Self::SequentialWriter>> + Send + 'async_trait>>where
    P: AsRef<Path> + Send + 'async_trait,
    Self: 'async_trait,
    'life0: 'async_trait,

Opens a file for sequential writes.

fn spawn_background<F>(&self, f: F) -> JoinHandle<F::Output>where
    F: Future + Send + 'static,
    F::Output: Send,

Spawns a task to run in the background.

fn metadata<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<Metadata>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

Given a path, query the file system to get information about a file, directory, etc. See also std::fs::metadata.

fn open_dir<'life0, 'async_trait, P>(
    &'life0 self,
    path: P
) -> Pin<Box<dyn Future<Output = Result<Self::Directory>> + Send + 'async_trait>>where
    P: 'async_trait + AsRef<Path> + Send,
    Self: 'async_trait,
    'life0: 'async_trait,

Open the directory.