Struct `Vars`

pub struct Vars { pub(in ::env) inner: VarsOs }

An iterator over a snapshot of the environment variables of this process.

This structure is created by env::vars(). See its documentation for more.

Fields

inner: VarsOs

Trait Implementations

`impl Debug for Vars`

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

`impl Iterator for Vars`

type Item = (String, String);
fn next(&mut self) -> Option<(String, String)>
fn size_hint(&self) -> (usize, Option<usize>)

Auto Trait Implementations

`impl !Send for Vars`

`impl !Sync for Vars`

`impl Freeze for Vars`

`impl RefUnwindSafe for Vars`

`impl Unpin for Vars`

`impl UnsafeUnpin for Vars`

`impl UnwindSafe for Vars`

Blanket Implementations

`impl IntoIterator for Vars where I: Iterator,`

type Item = ::Item;
type IntoIter = I;
fn into_iter(self) -> I

`impl<T> Any for Vars where T: 'static + ?Sized,`

fn type_id(&self) -> TypeId

`impl<T> Borrow<T> for Vars where T: ?Sized,`

fn borrow(&self) -> &T

`impl<T> BorrowMut<T> for Vars where T: ?Sized,`

fn borrow_mut(&mut self) -> &mut T

`impl<T> From<T> for Vars`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> SizeHint for Vars where T: ?Sized,`

fn lower_bound(&self) -> usize
fn upper_bound(&self) -> Option<usize>

`impl<T> SizedTypeProperties for Vars`

`impl<T, U> Into for Vars where U: From<T>,`

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for Vars where U: Into<T>,`

type Error = never;
fn try_from(value: U) -> Result<T, never>

`impl<T, U> TryInto for Vars where U: TryFrom<T>,`

type Error = >::Error;
fn try_into(self) -> Result<U, >::Error>