Enum LimitError 

pub enum LimitError {
    Series(SeriesError),
    Diff(DiffError),
    NeedsOneSided,
    DepthExceeded,
    Unsupported,
}

Variants

Series(SeriesError)

Sub-problem rejected by crate::calculus::series.

Diff(DiffError)

Derivative unavailable for L’Hôpital.

NeedsOneSided

Odd-order pole requires a one-sided direction.

DepthExceeded

Maximal L’Hôpital / recursion depth exceeded.

Unsupported

No implemented rule applies (non-comparable growth, oscillation, …).

Trait Implementations

impl AlkahestError for LimitError

fn code(&self) -> &'static str

Stable diagnostic code, e.g. "E-DIFF-001".

fn remediation(&self) -> Option<&'static str>

Optional human-readable fix suggestion.

fn span(&self) -> Option<(usize, usize)>

Optional source span (start_byte, end_byte) within the input text.

impl Debug for LimitError

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

Formats the value using the given formatter.

impl Display for LimitError

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

Formats the value using the given formatter.

impl Error for LimitError

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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.

impl From<DiffError> for LimitError

fn from(e: DiffError) -> Self

Converts to this type from the input type.

impl From<SeriesError> for LimitError

fn from(e: SeriesError) -> Self

Converts to this type from the input type.