Enum rustc_const_eval::const_eval::error::ConstEvalErrKind

pub enum ConstEvalErrKind {
    NeedsRfc(String),
    ConstAccessesStatic,
    ModifiedGlobal,
    AssertFailure(AssertKind<ConstInt>),
    Panic {
        msg: Symbol,
        line: u32,
        col: u32,
        file: Symbol,
    },
    Abort(String),
}

The CTFE machine has some custom error kinds.

Variants

NeedsRfc(String)

Tuple Fields of NeedsRfc

0: String

ConstAccessesStatic

ModifiedGlobal

AssertFailure(AssertKind<ConstInt>)

Tuple Fields of AssertFailure

0: AssertKind<ConstInt>

Panic

Fields of Panic

msg: Symbolline: u32col: u32file: Symbol

Abort(String)

Tuple Fields of Abort

0: String

Trait Implementations

impl Clone for ConstEvalErrKind

fn clone(&self) -> ConstEvalErrKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ConstEvalErrKind

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

Formats the value using the given formatter.

impl Display for ConstEvalErrKind

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

Formats the value using the given formatter.

impl Error for ConstEvalErrKind

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

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

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

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

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

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

impl<'tcx> Into<InterpErrorInfo<'tcx>> for ConstEvalErrKind

fn into(self) -> InterpErrorInfo<'tcx>

Performs the conversion.

impl MachineStopType for ConstEvalErrKind

fn is_hard_err(&self) -> bool

If true, emit a hard error instead of going through the CONST_ERR lint

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes

Size for each variant:

• NeedsRfc: 31 bytes
• ConstAccessesStatic: 0 bytes
• ModifiedGlobal: 0 bytes
• AssertFailure: 40 bytes
• Panic: 19 bytes
• Abort: 31 bytes