Enum simplexpr::eval::EvalError

source · [−]

pub enum EvalError {
    NoVariablesAllowed(VarName),
    InvalidRegex(Error),
    UnknownVariable(VarName, Vec<VarName>),
    ConversionError(ConversionError),
    WrongArgCount(String),
    UnknownFunction(String),
    CannotIndex(String),
    SerdeError(Error),
    Spanned(Span, Box<EvalError>),
}

Variants

`NoVariablesAllowed(VarName)`

`InvalidRegex(Error)`

`UnknownVariable(VarName, Vec<VarName>)`

`ConversionError(ConversionError)`

`WrongArgCount(String)`

`UnknownFunction(String)`

`CannotIndex(String)`

`SerdeError(Error)`

`Spanned(Span, Box<EvalError>)`

Implementations

impl EvalError

pub fn at(self, span: Span) -> Self

pub fn map_in_span(self, f: impl FnOnce(Self) -> Self) -> Self

Trait Implementations

impl Debug for EvalError

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

Formats the value using the given formatter. Read more

impl Display for EvalError

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

Formats the value using the given formatter. Read more

impl Error for EvalError

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

The lower-level source of this error, if any. Read more

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

1.0.0 · source

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

1.0.0 · source

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ConversionError> for EvalError

fn from(source: ConversionError) -> Self

Converts to this type from the input type.

impl From<Error> for EvalError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for EvalError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<EvalError> for Error

fn from(source: EvalError) -> Self

Converts to this type from the input type.

impl Spanned for EvalError

fn span(&self) -> Span

Auto Trait Implementations

impl !RefUnwindSafe for EvalError

impl Send for EvalError

impl Sync for EvalError

impl Unpin for EvalError

impl !UnwindSafe for EvalError

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> ToString for T where
T: Display + ?Sized,

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.