Struct MemoryFileSystem 

pub struct MemoryFileSystem { /* private fields */ }

A file system held in memory, for tests and for embedding the compiler.

Implementations

impl MemoryFileSystem

pub fn new() -> MemoryFileSystem

An empty file system.

pub fn insert( &mut self, path: impl Into<PathBuf>, contents: impl AsRef<[u8]> + Send + Sync + 'static, )

Adds a file, replacing any file already at that path.

pub fn len(&self) -> usize

How many files it holds.

pub fn is_empty(&self) -> bool

Whether it holds nothing.

Trait Implementations

impl Debug for MemoryFileSystem

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

Formats the value using the given formatter.

impl Default for MemoryFileSystem

fn default() -> MemoryFileSystem

Returns the “default value” for a type.

impl FileSystem for MemoryFileSystem

fn read(&self, path: &Path) -> Result<SourceBytes>

Reads a file.