VariantLiteralParser

eure_document::parse

Struct VariantLiteralParser 

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pub struct VariantLiteralParser(pub &'static str);
Expand description

A parser that matches a specific string literal as an enum variant name.

Similar to LiteralParser, but returns ParseErrorKind::UnknownVariant on mismatch instead of ParseErrorKind::LiteralMismatch. This provides better error messages when parsing unit enum variants as string literals.

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§0: &'static str

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impl<'doc> DocumentParser<'doc> for VariantLiteralParser

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type Output = &'static str

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type Error = ParseError

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fn parse( &mut self, ctx: &ParseContext<'doc>, ) -> Result<Self::Output, Self::Error>

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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<'doc, T> DocumentParserExt<'doc> for T
where T: DocumentParser<'doc>,

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fn map<O, F>(self, mapper: F) -> MapParser<Self, F>
where F: Fn(Self::Output) -> O,

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fn and_then<O, F>(self, mapper: F) -> AndThenParser<Self, F>
where F: Fn(Self::Output) -> Result<O, Self::Error>,

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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.