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Ctx

Struct Ctx 

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pub struct Ctx<'a> {
    pub refs: &'a [(&'a str, i64)],
}
Expand description

Cross-point context: integer values of scale_ref / selector_ref targets (spec §10.4/§10.5). A slice keeps it heap-free; lookups are O(n) over a handful of refs.

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§refs: &'a [(&'a str, i64)]

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impl<'a> Ctx<'a>

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pub const EMPTY: Ctx<'static>

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pub fn get(&self, id: &str) -> Option<i64>

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impl<'a> Clone for Ctx<'a>

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fn clone(&self) -> Ctx<'a>

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<'a> Debug for Ctx<'a>

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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<'a> Default for Ctx<'a>

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fn default() -> Ctx<'a>

Returns the “default value” for a type. Read more
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impl<'a> Copy for Ctx<'a>

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impl<'a> Freeze for Ctx<'a>

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impl<'a> RefUnwindSafe for Ctx<'a>

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impl<'a> Send for Ctx<'a>

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impl<'a> Sync for Ctx<'a>

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impl<'a> Unpin for Ctx<'a>

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impl<'a> UnsafeUnpin for Ctx<'a>

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impl<'a> UnwindSafe for Ctx<'a>

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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.