Struct rustc_trait_selection::traits::OnUnimplementedDirective[−][src]

pub struct OnUnimplementedDirective {
    pub condition: Option<MetaItem>,
    pub subcommands: Vec<OnUnimplementedDirective>,
    pub message: Option<OnUnimplementedFormatString>,
    pub label: Option<OnUnimplementedFormatString>,
    pub note: Option<OnUnimplementedFormatString>,
    pub enclosing_scope: Option<OnUnimplementedFormatString>,
}

Fields

condition: Option<MetaItem>subcommands: Vec<OnUnimplementedDirective>message: Option<OnUnimplementedFormatString>label: Option<OnUnimplementedFormatString>note: Option<OnUnimplementedFormatString>enclosing_scope: Option<OnUnimplementedFormatString>

Implementations

impl<'tcx> OnUnimplementedDirective[src]

fn parse(
    tcx: TyCtxt<'tcx>,
    trait_def_id: DefId,
    items: &[NestedMetaItem],
    span: Span,
    is_root: bool
) -> Result<Self, ErrorReported>[src]

pub fn of_item(
    tcx: TyCtxt<'tcx>,
    trait_def_id: DefId,
    impl_def_id: DefId
) -> Result<Option<Self>, ErrorReported>[src]

pub fn evaluate(
    &self,
    tcx: TyCtxt<'tcx>,
    trait_ref: TraitRef<'tcx>,
    options: &[(Symbol, Option<String>)]
) -> OnUnimplementedNote[src]

Trait Implementations

impl Debug for OnUnimplementedDirective[src]

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl !RefUnwindSafe for OnUnimplementedDirective

impl !Send for OnUnimplementedDirective

impl !Sync for OnUnimplementedDirective

impl Unpin for OnUnimplementedDirective

impl !UnwindSafe for OnUnimplementedDirective

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<T> WithConstness for T[src]

fn with_constness(self, constness: Constness) -> ConstnessAnd<Self>[src]

fn with_const(self) -> ConstnessAnd<Self>[src]

fn without_const(self) -> ConstnessAnd<Self>[src]