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IndexArg

Enum IndexArg 

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pub enum IndexArg<P: Phase = Raw> {
    Variant {
        index: Spanned<NamePath>,
        variant: Spanned<IndexVariantName>,
    },
    Var(Ident),
    Expr(Box<Expr<P>>),
}
Expand description

An argument in an index access: a qualified variant, a loop variable, or an expression.

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Variant

Qualified variant: Maneuver.Departure or module.Maneuver.Departure

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Var(Ident)

Loop variable: m

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Expr(Box<Expr<P>>)

Arbitrary expression: i + 1, i - M

Trait Implementations§

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impl<P: Clone + Phase> Clone for IndexArg<P>

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fn clone(&self) -> IndexArg<P>

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<P: Debug + Phase> Debug for IndexArg<P>

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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 FormatEquivalent for IndexArg

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fn format_equivalent(&self, other: &Self) -> bool

Returns true if self and other are equivalent up to formatting.
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impl From<IndexArg> for IndexArg<Desugared>

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fn from(a: IndexArg<Raw>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<P> Freeze for IndexArg<P>

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impl<P> RefUnwindSafe for IndexArg<P>
where <P as Phase>::ExprSugar: RefUnwindSafe,

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impl<P> Send for IndexArg<P>
where <P as Phase>::ExprSugar: Send,

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impl<P> Sync for IndexArg<P>
where <P as Phase>::ExprSugar: Sync,

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impl<P> Unpin for IndexArg<P>

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impl<P> UnsafeUnpin for IndexArg<P>

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impl<P> UnwindSafe for IndexArg<P>
where <P as Phase>::ExprSugar: UnwindSafe,

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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.