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Raised

Enum Raised 

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pub enum Raised {
    Error(Value),
    NoMatch(Value),
}
Expand description

Value unwinding through the single error channel (see docs/elly-spec.md).

  • Error(v): Genuine failure (host abort or __Err.raise v). Propagates past __match.
  • NoMatch(v): Pattern refutation from match_pattern. Only __match catches this, falling through to its fallback. Other boundaries treat it as Error(v), surfacing the original error v.

Kinds are distinguished by construction; user code can only raise Error, preventing forged NoMatch signals.

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Error(Value)

A genuine error, propagated by __match.

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NoMatch(Value)

A pattern refutation carrying the original error it decays to when uncaught.

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impl Raised

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pub fn value(&self) -> &Value

Returns the carried payload regardless of the Raised kind.

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pub fn into_value(self) -> Value

Consumes the Raised value into its payload.

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impl Clone for Raised

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fn clone(&self) -> Raised

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 Raised

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl !RefUnwindSafe for Raised

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impl !Send for Raised

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impl !Sync for Raised

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impl !UnwindSafe for Raised

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impl Freeze for Raised

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impl Unpin for Raised

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impl UnsafeUnpin for Raised

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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.