Struct prqlc::Error

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pub struct Error {
    pub kind: MessageKind,
    pub span: Option<Span>,
    pub reason: Reason,
    pub hints: Vec<String>,
    pub code: Option<&'static str>,
}
Expand description

A prqlc error. Used internally, exposed as prqlc::ErrorMessage.

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§kind: MessageKind

Message kind. Currently only Error is implemented.

§span: Option<Span>§reason: Reason§hints: Vec<String>§code: Option<&'static str>

Machine readable identifier error code eg, “E0001”

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impl Error

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pub fn new(reason: Reason) -> Error

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pub fn new_simple<S>(reason: S) -> Error
where S: ToString,

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pub fn new_bug(issue_no: i32) -> Error

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pub fn new_assert<S>(details: S) -> Error
where S: ToString,

Used for things that you think should never happen, but are not sure.

Trait Implementations§

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impl Clone for Error

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fn clone(&self) -> Error

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Error

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Display for Error

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Error for Error

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fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl From<ChumError<TokenKind>> for Error

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fn from(p: ChumError<TokenKind>) -> Error

Converts to this type from the input type.
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impl From<Error> for ErrorMessage

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for ErrorMessages

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Errors

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fn from(error: Error) -> Errors

Converts to this type from the input type.
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impl WithErrorInfo for Error

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fn push_hint<S>(self, hint: S) -> Error
where S: Into<String>,

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fn with_hints<S, I>(self, hints: I) -> Error
where S: Into<String>, I: IntoIterator<Item = S>,

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fn with_span(self, span: Option<Span>) -> Error

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fn with_code(self, code: &'static str) -> Error

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fn with_source(self, _source: ErrorSource) -> Error

Auto Trait Implementations§

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impl Freeze for Error

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impl RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl UnwindSafe for Error

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> Chain<T> for T

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fn len(&self) -> usize

The number of items that this chain link consists of.
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fn append_to(self, v: &mut Vec<T>)

Append the elements in this link to the chain.
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impl<T> Container<T> for T
where T: Clone,

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type Iter = Once<T>

An iterator over the items within this container, by value.
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fn get_iter(&self) -> <T as Container<T>>::Iter

Iterate over the elements of the container (using internal iteration because GATs are unstable).
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impl<T> Fmt for T
where T: Display,

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fn fg<C>(self, color: C) -> Foreground<Self>
where C: Into<Option<Color>>, Self: Display,

Give this value the specified foreground colour.
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fn bg<C>(self, color: C) -> Background<Self>
where C: Into<Option<Color>>, Self: Display,

Give this value the specified background colour.
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Paint for T
where T: ?Sized,

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fn fg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the foreground set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like red() and green(), which have the same functionality but are pithier.

§Example

Set foreground color to white using fg():

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Set foreground color to white using white().

use yansi::Paint;

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fn primary(&self) -> Painted<&T>

Returns self with the fg() set to Color::Primary.

§Example
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fn fixed(&self, color: u8) -> Painted<&T>

Returns self with the fg() set to Color::Fixed.

§Example
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Returns self with the fg() set to Color::Rgb.

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Returns self with the fg() set to Color::Black.

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Returns self with the fg() set to Color::Red.

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Returns self with the fg() set to Color::Green.

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Returns self with the fg() set to Color::Yellow.

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Returns self with the fg() set to Color::Blue.

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Returns self with the fg() set to Color::Magenta.

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Returns self with the fg() set to Color::Cyan.

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Returns self with the fg() set to Color::White.

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Returns self with the fg() set to Color::BrightBlack.

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Returns self with the fg() set to Color::BrightRed.

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Returns self with the fg() set to Color::BrightGreen.

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Returns self with the fg() set to Color::BrightYellow.

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Returns self with the fg() set to Color::BrightBlue.

§Example
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fn bright_magenta(&self) -> Painted<&T>

Returns self with the fg() set to Color::BrightMagenta.

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Returns self with the fg() set to Color::BrightCyan.

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Returns self with the fg() set to Color::BrightWhite.

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Returns a styled value derived from self with the background set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like on_red() and on_green(), which have the same functionality but are pithier.

§Example

Set background color to red using fg():

use yansi::{Paint, Color};

painted.bg(Color::Red);

Set background color to red using on_red().

use yansi::Paint;

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Returns self with the bg() set to Color::Primary.

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Returns self with the bg() set to Color::Fixed.

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Returns self with the bg() set to Color::Rgb.

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Returns self with the bg() set to Color::Black.

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Returns self with the bg() set to Color::Red.

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Returns self with the bg() set to Color::Green.

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Returns self with the bg() set to Color::Yellow.

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Returns self with the bg() set to Color::Blue.

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Returns self with the bg() set to Color::Magenta.

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Returns self with the bg() set to Color::Cyan.

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Returns self with the bg() set to Color::White.

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Returns self with the bg() set to Color::BrightBlack.

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Returns self with the bg() set to Color::BrightRed.

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fn on_bright_green(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightGreen.

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Returns self with the bg() set to Color::BrightYellow.

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Returns self with the bg() set to Color::BrightBlue.

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Returns self with the bg() set to Color::BrightMagenta.

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Returns self with the bg() set to Color::BrightCyan.

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Returns self with the bg() set to Color::BrightWhite.

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fn attr(&self, value: Attribute) -> Painted<&T>

Enables the styling Attribute value.

This method should be used rarely. Instead, prefer to use attribute-specific builder methods like bold() and underline(), which have the same functionality but are pithier.

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use yansi::{Paint, Attribute};

painted.attr(Attribute::Bold);

Make text bold using using bold().

use yansi::Paint;

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Returns self with the attr() set to Attribute::Bold.

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Returns self with the attr() set to Attribute::Dim.

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Returns self with the attr() set to Attribute::Italic.

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Returns self with the attr() set to Attribute::Underline.

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Returns self with the attr() set to Attribute::Conceal.

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Enables the yansi Quirk value.

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where Self: Sized,

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Apply a style wholesale to self. Any previous style is replaced. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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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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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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