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MatchNone

thread_ast_engine::matcher

Struct MatchNone 

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pub struct MatchNone;

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impl Matcher for MatchNone

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fn match_node_with_env<'tree, D: Doc>( &self, _node: Node<'tree, D>, _env: &mut Cow<'_, MetaVarEnv<'tree, D>>, ) -> Option<Node<'tree, D>>

Attempt to match a node, updating the meta-variable environment. Read more
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fn potential_kinds(&self) -> Option<BitSet>

Provide a hint about which node types this matcher can match. Read more
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fn get_match_len<D: Doc>(&self, _node: Node<'_, D>) -> Option<usize>

Determine how much of a matched node should be replaced. 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> 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> MatcherExt for T
where T: Matcher,

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fn match_node<'tree, D>( &self, node: Node<'tree, D>, ) -> Option<NodeMatch<'tree, D>>
where D: Doc,

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fn find_node<'tree, D>( &self, node: Node<'tree, D>, ) -> Option<NodeMatch<'tree, D>>
where D: Doc,

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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.