Struct rustc::traits::OnUnimplementedDirective

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

🔬 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?

Fields

condition: Option<MetaItem>

🔬 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?

subcommands: Vec<OnUnimplementedDirective>

🔬 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?

message: Option<OnUnimplementedFormatString>

🔬 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?

label: Option<OnUnimplementedFormatString>

🔬 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, 'gcx, 'tcx> OnUnimplementedDirective

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

🔬 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?

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

🔬 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?

pub fn evaluate(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    trait_ref: TraitRef<'tcx>,
    options: &[(&str, Option<&str>)]
) -> OnUnimplementedNote

🔬 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?

Trait Implementations

impl Debug for OnUnimplementedDirective

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

Formats the value using the given formatter.