py_declare

Struct GroupBuilder

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pub struct GroupBuilder { /* private fields */ }

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impl WithSpan for GroupBuilder

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fn get_span(&self) -> Span

get the location information
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fn make_error(&self, reason: impl ToString) -> Error

make an Error at location
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fn make_message(&self, reason: impl ToString) -> Message

make an Message at location

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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.
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impl<W> WithSpanExt for W
where W: WithSpan,

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fn make_parse_error( &self, reason: impl ToString, kind: ParseErrorKind, ) -> ParseError

make an ParseError at location with ordered ParseErrorKind
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fn unmatch<T>(&self, reason: impl ToString) -> Result<T, ParseError>

make an Unmatched ParseError in Result
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fn throw<T>(&self, reason: impl ToString) -> Result<T, ParseError>

make an Semantic ParseError in Result