Struct steward::env::Env

pub struct Env(_);

Environment data for a Cmd.

Implementations

impl Env

pub fn new(data: HashMap<String, String>) -> Self

Constructs a new container from a HashMap.

pub fn empty() -> Self

Constructs a new empty container.

pub fn from_vec<K: ToString, V: ToString>(kvs: Vec<(K, V)>) -> Self

Constructs a new container from a Vec.

pub fn one<K: ToString, V: ToString>(k: K, v: V) -> Self

Constructs a new container with one entry.

pub fn parent() -> Self

Constructs a new container with data from an environment of the current process.

pub fn insert<K: ToString, V: ToString>(self, k: K, v: V) -> Self

Inserts one entry into existing container by mutating it.

pub fn insert_cloned<K: ToString, V: ToString>(&self, k: K, v: V) -> Self

Inserts one entry into container by mutating it.

pub fn extend(self, env: Self) -> Self

Merges two containers by mutating the receiver.

pub fn extend_cloned(&self, env: Self) -> Self

Merges two containers and returns a new cloned one. Doesn’t mutate a receiver.

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

Retrives a value from a container by the provided key.

Trait Implementations

impl Clone for Env

fn clone(&self) -> Env

Returns a copy of the value.

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

Performs copy-assignment from source.

impl IntoIterator for Env

type Item = (String, String)

The type of the elements being iterated over.

type IntoIter = IntoIter<String, String>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.