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FunctionBodyStub

yash_env::test_helper::function

Struct FunctionBodyStub 

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pub struct FunctionBodyStub;
Expand description

A stub implementation of FunctionBody that panics on use.

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impl FunctionBodyStub

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pub fn new() -> Self

Creates a new FunctionBodyStub.

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pub fn rc_dyn<S>() -> Rc<dyn FunctionBodyObject<S>>

Creates a new FunctionBodyStub contained in an Rc.

Suitable for passing to crate::function::Function::new.

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impl Clone for FunctionBodyStub

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fn clone(&self) -> FunctionBodyStub

Returns a duplicate 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 FunctionBodyStub

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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 Default for FunctionBodyStub

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fn default() -> FunctionBodyStub

Returns the “default value” for a type. Read more
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impl Display for FunctionBodyStub

Always panics when formatted.

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

Formats the value using the given formatter. Read more
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impl<S> FunctionBody<S> for FunctionBodyStub

Always panics when executed.

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async fn execute(&self, _: &mut Env<S>) -> Result

Executes the function body in the given environment. Read more

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> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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<S, T> FunctionBodyObject<S> for T
where T: FunctionBody<S> + ?Sized,

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fn execute<'a>( &'a self, env: &'a mut Env<S>, ) -> Pin<Box<dyn Future<Output = ControlFlow<Divert>> + 'a>>

Executes the function body in the given environment. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 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.