Struct EnvFile

pub struct EnvFile {
    pub path: PathBuf,
    pub store: BTreeMap<String, String>,
}

An opened environment file, whose contents are buffered into memory.

Fields

path: PathBuf

Where the environment file exists in memory.

store: BTreeMap<String, String>

The data that was parsed from the file.

Implementations

impl EnvFile

pub fn new<P: Into<PathBuf>>(path: P) -> Result<Self>

Open and parse an environment file.

pub fn update(&mut self, key: &str, value: &str) -> &mut Self

Update or insert a key into the map.

pub fn get(&self, key: &str) -> Option<&str>

Fetch a key from the map.

pub fn write(&mut self) -> Result<()>

Write the map back to the original file.

Notes

The keys are written in ascending order.