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PathStep

Enum PathStep 

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#[non_exhaustive]
pub enum PathStep { Condition(usize), Action(usize), Value(usize), Branch(usize), ElseBody, Body, }
Expand description

One step from a compared element to the differing child element.

Indices count only compared elements: disabled conditions, disabled actions, and inert rules are skipped before comparison.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Condition(usize)

The n-th enabled condition of the compared rules; a Value(0) step after it enters the condition’s value.

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Action(usize)

The n-th enabled action of the current action sequence — the rule’s actions with each control-flow group folded into its header action (If, While, For), or a nested list entered through Branch, ElseBody, or Body.

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Value(usize)

The n-th value operand of an action — its value arguments in declaration order (If carries one condition per branch) — or the n-th child of a value: Array elements, Call arguments, Vector x/y/z, or a PlayerVariable’s player. For the Set/Modify spelling pair the steps index the Set value’s call arguments; for a PlayerVariable/memberAccess pair Value(1) is the memberAccess’s member operand.

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Branch(usize)

The body of the n-th if/else if branch of an If action.

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ElseBody

The else body of an If action.

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Body

The body of a While or For action.

Trait Implementations§

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impl Clone for PathStep

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fn clone(&self) -> Self

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 Copy for PathStep

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impl Debug for PathStep

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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 Eq for PathStep

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impl PartialEq for PathStep

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fn eq(&self, other: &Self) -> 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 PathStep

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> Same for T

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type Output = T

Should always be Self
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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 = !

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

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.