Enum rustc::middle::const_val::ConstEvalErrDescription

pub enum ConstEvalErrDescription<'a, 'tcx: 'a> {
    Simple(Cow<'a, str>),
    Backtrace(&'a EvalError<'tcx>, &'a [FrameInfo]),
}

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Variants

Simple(Cow<'a, str>)

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Backtrace(&'a EvalError<'tcx>, &'a [FrameInfo])

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Methods

impl<'a, 'tcx> ConstEvalErrDescription<'a, 'tcx>

pub fn into_oneline(self) -> Cow<'a, str>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Return a one-line description of the error, for lints and such

Trait Implementations

impl<'a, 'tcx: 'a> Clone for ConstEvalErrDescription<'a, 'tcx>

fn clone(&self) -> ConstEvalErrDescription<'a, 'tcx>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, 'tcx: 'a> Debug for ConstEvalErrDescription<'a, 'tcx>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.