rets_expression::function

Struct FunctionContext

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pub struct FunctionContext<'t, T> { /* private fields */ }
Expand description

The context that a function is run in

This provides access to the data stored in the EvaluationContext from within a function.

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impl<'t, T> FunctionContext<'t, T>

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pub fn state(&self) -> &T

Get the state stored in the EvaluationContext

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pub fn state_mut(&mut self) -> &mut T

Mutate the state stored in the EvaluationContext

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impl<'t, T> Freeze for FunctionContext<'t, T>

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impl<'t, T> RefUnwindSafe for FunctionContext<'t, T>
where T: RefUnwindSafe,

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impl<'t, T> Send for FunctionContext<'t, T>
where T: Send,

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impl<'t, T> Sync for FunctionContext<'t, T>
where T: Sync,

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impl<'t, T> Unpin for FunctionContext<'t, T>

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impl<'t, T> !UnwindSafe for FunctionContext<'t, T>

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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> 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, 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.