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EnvSource

stry_common::layered

Struct EnvSource

pub struct EnvSource { /* private fields */ }

Expand description

A source that pulls values from the environment.

Implementations§

impl EnvSource

pub fn new() -> Self

Create without any prefix.

pub fn prefixed<P>(prefix: P) -> Self
where P: Display,

Create with a specified prefix.

Trait Implementations§

impl Debug for EnvSource

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

Formats the value using the given formatter. Read more

impl Default for EnvSource

fn default() -> EnvSource

Returns the “default value” for a type. Read more

impl Source for EnvSource

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

Auto Trait Implementations§

impl Freeze for EnvSource

impl RefUnwindSafe for EnvSource

impl Send for EnvSource

impl Sync for EnvSource

impl Unpin for EnvSource

impl UnsafeUnpin for EnvSource

impl UnwindSafe for EnvSource

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
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> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> IntoOption for T

fn some_if(self, predicate: bool) -> Option<Self>

Results Some(self) if the predicate returns true, or None otherwise.

fn with_some_if<F>(self, predicate: F) -> Option<Self>
where F: FnOnce(&Self) -> bool,

Results Some(self) if the predicate returns true, or None otherwise.

fn none_if(self, predicate: bool) -> Option<Self>

Results None if the predicate returns true, or Some(self) otherwise.

fn with_none_if<F>(self, predicate: F) -> Option<Self>
where F: FnOnce(&Self) -> bool,

Results None if the predicate returns true, or Some(self) otherwise.

impl<T> IntoResult for T

fn ok_if<E>(self, predicate: bool, err: E) -> Result<Self, E>

Results Ok(self) if the predicate returns true, or Err(err) otherwise.

fn with_ok_if<F, E>(self, predicate: F, err: E) -> Result<Self, E>
where F: FnOnce(&Self) -> bool,

Results Ok(self) if the predicate returns true, or Err(err) otherwise.

fn err_if<E>(self, predicate: bool, err: E) -> Result<Self, E>

Results Err(err) if the predicate returns true, or Ok(self) otherwise.

fn with_err_if<F, E>(self, predicate: F, err: E) -> Result<Self, E>
where F: FnOnce(&Self) -> bool,

Results Err(err) if the predicate returns true, or Ok(self) otherwise.

impl<T> Peep for T

fn peep<F, R>(self, run: F) -> Self
where F: FnOnce(&Self) -> R, R: Sized,

fn peep_dbg<F, R>(self, run: F) -> Self
where F: FnOnce(&Self) -> R, R: Sized,

fn peep_mut<F, R>(self, run: F) -> Self
where F: FnOnce(&mut Self) -> R, R: Sized,

fn peep_mut_dbg<F, R>(self, run: F) -> Self
where F: FnOnce(&mut Self) -> R, R: Sized,

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> Wrap for T

fn wrap_ref<F>(self, wrap: F) -> Self
where F: FnOnce(&Self),

Turns a self reference function call into an ‘inline’/‘builder’ call. Read more

fn wrap_mut<F>(self, wrap: F) -> Self
where F: FnOnce(&mut Self),

Turns a self mutable reference function call into an ‘inline’/‘builder’ call. Read more

fn wrap_map<F, R>(self, wrap: F) -> R
where F: FnOnce(Self) -> R,

Turns a consuming function call into an ‘inline’/‘builder’ call. Read more