Builtins

Struct Builtins 

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pub struct Builtins<'a> { /* private fields */ }
Expand description

A wrapper over Report for generating diagnostics.

See Report::builtins().

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impl Builtins<'_>

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pub fn unexpected<'a, 'b>( &self, found: impl Into<Expected<'a>>, unexpected_in: impl Into<Expected<'b>>, at: impl Spanned, ) -> Diagnostic

Generates an “unexpected” diagnostic.

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pub fn expected<'a, 'b, E: Into<Expected<'b>>>( &self, expected: impl IntoIterator<Item = E>, found: impl Into<Expected<'b>>, at: impl Spanned, ) -> Diagnostic

Generates an “expected one of these tokens but got something else” diagnostic.

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pub fn invalid_escape(&self, at: impl Spanned, why: impl Display) -> Diagnostic

Generates an “invalid escape sequence” diagnostic.

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pub fn literal_out_of_range<'a, N: Display>( &self, what: impl Into<Expected<'a>>, at: impl Spanned, span: &impl RangeBounds<N>, min: &dyn Display, max: &dyn Display, ) -> Diagnostic

Generates a “numeric literal overflowed” diagnostic.

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impl<'a> Freeze for Builtins<'a>

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impl<'a> RefUnwindSafe for Builtins<'a>

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impl<'a> Send for Builtins<'a>

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impl<'a> Sync for Builtins<'a>

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impl<'a> Unpin for Builtins<'a>

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impl<'a> UnwindSafe for Builtins<'a>

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, 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.