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Origin

Struct Origin 

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pub struct Origin {
    pub kind: SourceKind,
    pub identifier: String,
    pub trust: Trust,
}
Expand description

The exact place a value came from.

Not just the kind: the identifier, because “from the environment” is not an answer a user can act on and HK_JOBS is. This is what makes config explain worth having.

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§kind: SourceKind§identifier: String

The environment variable’s name, the file’s path, the git key — whatever a user would have to go and edit.

§trust: Trust

How much this place is trusted, which is what the scope check reads.

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impl Origin

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pub fn new(kind: SourceKind, identifier: impl Into<String>) -> Self

An origin of the given kind.

The trust follows the kind: this invocation for the command line, the environment and the built-ins, and Trust::Project for anything else — because a kind usage does not recognize is one it cannot vouch for, and a check that has to be remembered by each new layer is one a new layer will forget. Say otherwise with Origin::trusted_as.

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pub fn trusted_as(self, trust: Trust) -> Self

The same origin, trusted as stated.

For a custom layer that knows where it read from: a git config in $HOME is the user’s own, while one in the checkout is not.

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pub fn file(identifier: impl Into<String>, scope: FileScope) -> Self

An origin in a config file of the given class.

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pub fn declared_default() -> Self

The declared default.

Named for what it is rather than spelled Default::default, because an Origin has no sensible zero — every one of them names a real place.

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pub fn describe(&self) -> &str

How to describe this in one phrase: HK_JOBS, hk.toml, the default.

Trait Implementations§

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impl Clone for Origin

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fn clone(&self) -> Origin

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Origin

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

Formats the value using the given formatter. Read more
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impl PartialEq for Origin

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fn eq(&self, other: &Origin) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Origin

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.