pub struct Split { /* private fields */ }
Expand description

Block for conditional execution.

Executes the first branch if the top of the stack is 1 or the second branch if 0. Fails if the top of the stack is neither 1 or 0 or if the branch execution fails.

The hash of a split block is:

hash(true_branch_hash || false_branch_hash, domain=SPLIT_DOMAIN)

Where true_branch_hash and false_branch_hash are 4 field elements (256 bits) each.

Implementations§

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impl Split

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pub const DOMAIN: Felt = _

The domain of the split block (used for control block hashing).

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pub fn new(t_branch: CodeBlock, f_branch: CodeBlock) -> Self

Returns a new Split block instantiated with the specified true and false branches.

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pub fn hash(&self) -> Digest

Returns a hash of this code block.

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pub fn on_true(&self) -> &CodeBlock

Returns a reference to the code block which is to be executed when the top of the stack is 1.

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pub fn on_false(&self) -> &CodeBlock

Returns a reference to the code block which is to be executed when the top of the stack is 0.

Trait Implementations§

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impl Clone for Split

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fn clone(&self) -> Split

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 Display for Split

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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 Split

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impl Send for Split

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impl Sync for Split

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impl Unpin for Split

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impl UnwindSafe for Split

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> 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 Twhere 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 Twhere 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> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.