pub struct ControlVisitation<F: ?Sized>(pub F);
Expand description

Wrapper type which allows functions to control how to traverse the members of the type

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Trait Implementations§

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impl<F, Id, T> TypeVisitor<Id, T> for ControlVisitation<F>
where F: FnMut(&T) -> Option<T>, Id: Clone, T::SpannedId: Clone, T: TypeExt<Id = Id> + From<(Type<Id, T>, Flags)> + From<Type<Id, T>>, T::Types: FromIterator<T> + Clone, T::Generics: FromIterator<Generic<Id>> + Clone, T::Fields: FromIterator<Field<T::SpannedId, T>> + Clone,

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type Context = NullInterner

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fn context(&mut self) -> &mut Self::Context

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fn visit(&mut self, typ: &T) -> Option<T>
where T: TypePtr<Id = Id> + From<Type<Id, T>> + Clone, Id: Clone,

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fn make(&mut self, typ: Type<Id, T>) -> T

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fn make_types(&mut self, typ: impl IntoIterator<Item = T>) -> T::Types

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fn forall(&mut self, params: T::Generics, typ: T) -> T

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fn app(&mut self, id: T, args: T::Types) -> T

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impl<'a, F, T> Walker<'a, T> for ControlVisitation<F>
where F: ?Sized + FnMut(&'a T), T: 'a,

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fn walk(&mut self, typ: &'a T)

Auto Trait Implementations§

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impl<F: ?Sized> RefUnwindSafe for ControlVisitation<F>
where F: RefUnwindSafe,

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impl<F: ?Sized> Send for ControlVisitation<F>
where F: Send,

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impl<F: ?Sized> Sync for ControlVisitation<F>
where F: Sync,

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impl<F: ?Sized> Unpin for ControlVisitation<F>
where F: Unpin,

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impl<F: ?Sized> UnwindSafe for ControlVisitation<F>
where F: UnwindSafe,

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<Id> AsId<Id> for Id
where Id: ?Sized,

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fn as_id(&self) -> &Id

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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.
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impl<T> Any for T
where T: Any,