Enum rune::WarningKind

pub enum WarningKind {
    NotUsed {
        span: Span,
        context: Option<Span>,
    },
    LetPatternMightPanic {
        span: Span,
        context: Option<Span>,
    },
    TemplateWithoutExpansions {
        span: Span,
        context: Option<Span>,
    },
    RemoveTupleCallParams {
        span: Span,
        variant: Span,
        context: Option<Span>,
    },
    UnecessarySemiColon {
        span: Span,
    },
}

Compilation warning kind.

Variants

NotUsed

Item identified by the span is not used.

Fields of NotUsed

span: Span

The span that is not used.

context: Option<Span>

The context in which the value was not used.

LetPatternMightPanic

Warning that an unconditional let pattern will panic if it doesn’t match.

Fields of LetPatternMightPanic

span: Span

The span of the pattern.

context: Option<Span>

The context in which it is used.

TemplateWithoutExpansions

Encountered a template string without an expansion.

Fields of TemplateWithoutExpansions

span: Span

Span that caused the error.

context: Option<Span>

The context in which it is used.

RemoveTupleCallParams

Suggestion that call parameters could be removed.

Fields of RemoveTupleCallParams

span: Span

The span of the call.

variant: Span

The span of the variant being built.

context: Option<Span>

The context in which it is used.

UnecessarySemiColon

An unecessary semi-colon is used.

Fields of UnecessarySemiColon

span: Span

Span where the semi-colon is.

Trait Implementations

impl Clone for WarningKind

fn clone(&self) -> WarningKind

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for WarningKind

impl Debug for WarningKind

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

Formats the value using the given formatter.

impl Display for WarningKind

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

Formats the value using the given formatter.

impl Error for WarningKind

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

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

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

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

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

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting