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LispProcMacroDecoder

Struct LispProcMacroDecoder 

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pub struct LispProcMacroDecoder;
Expand description

Lisp decoder built on proc-macro2 tokenization.

Implements the codec’s Decoder, LocatedDecoder, and TreeDecoder roles: it lexes s-expression source and reads it into checked Expr forms, located expressions, or located expression trees, lowering the eval surface as it goes.

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impl Decoder for LispProcMacroDecoder

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fn decode(&self, cx: &mut ReadCx<'_>, input: Input) -> Result<Expr>

Decode input into a kernel Expr, charging the ReadCx budget.
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impl LocatedDecoder for LispProcMacroDecoder

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fn decode_located( &self, cx: &mut ReadCx<'_>, input: Input, source_id: String, ) -> Result<LocatedExpr>

Decode input into a LocatedExpr, attributing spans to source_id.
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impl TreeDecoder for LispProcMacroDecoder

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fn decode_tree( &self, cx: &mut ReadCx<'_>, input: Input, source_id: String, ) -> Result<LocatedExprTree>

Decode input into a LocatedExprTree, attributing spans to source_id.

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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.