Enum AsFnAndArgsErr

pub enum AsFnAndArgsErr<'tcx> {
    NotAConstant,
    NotFunctionType(TyKind<'tcx>),
    NotValueLevelConstant(Const<'tcx>),
    NotAFunctionCall,
    InstanceResolutionErr,
    NormalizationError(String),
    InstanceTooUnspecific,
}

Variants

NotAConstant

NotFunctionType(TyKind<'tcx>)

NotValueLevelConstant(Const<'tcx>)

NotAFunctionCall

InstanceResolutionErr

NormalizationError(String)

InstanceTooUnspecific

Trait Implementations

impl<'tcx> Debug for AsFnAndArgsErr<'tcx>

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

Formats the value using the given formatter.

impl<'tcx> Display for AsFnAndArgsErr<'tcx>

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

Formats the value using the given formatter.

impl<'tcx> Error for AsFnAndArgsErr<'tcx>

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.