Struct rustc::ty::ParamEnvAnd

pub struct ParamEnvAnd<'tcx, T> {
    pub param_env: ParamEnv<'tcx>,
    pub value: T,
}

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

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Fields

param_env: ParamEnv<'tcx>

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

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value: T

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Methods

impl<'tcx, T> ParamEnvAnd<'tcx, T>

pub fn into_parts(self) -> (ParamEnv<'tcx>, T)

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

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Trait Implementations

impl<'tcx, T: Key> Key for ParamEnvAnd<'tcx, T>

fn map_crate(&self) -> CrateNum

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

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Given an instance of this key, what crate is it referring to? This is used to find the provider.

fn default_span(&self, tcx: TyCtxt) -> Span

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

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In the event that a cycle occurs, if no explicit span has been given for a query with key self, what span should we use?

impl<'a, 'tcx, T: Lift<'tcx>> Lift<'tcx> for ParamEnvAnd<'a, T>

type Lifted = ParamEnvAnd<'tcx, T::Lifted>

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

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fn lift_to_tcx<'b, 'gcx>(
    &self,
    tcx: TyCtxt<'b, 'gcx, 'tcx>
) -> Option<Self::Lifted>

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

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impl<'tcx, T: Copy> Copy for ParamEnvAnd<'tcx, T>

impl<'tcx, T: Clone> Clone for ParamEnvAnd<'tcx, T>

fn clone(&self) -> ParamEnvAnd<'tcx, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'tcx, T: Debug> Debug for ParamEnvAnd<'tcx, T>

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

Formats the value using the given formatter.

impl<'tcx, T: PartialEq> PartialEq for ParamEnvAnd<'tcx, T>

fn eq(&self, __arg_0: &ParamEnvAnd<'tcx, T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &ParamEnvAnd<'tcx, T>) -> bool

This method tests for !=.

impl<'tcx, T: Eq> Eq for ParamEnvAnd<'tcx, T>

impl<'tcx, T: Hash> Hash for ParamEnvAnd<'tcx, T>

fn hash<__HT: Hasher>(&self, __arg_0: &mut __HT)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl<'gcx, T> HashStable<StableHashingContext<'gcx>> for ParamEnvAnd<'gcx, T> where
    T: HashStable<StableHashingContext<'gcx>>, 

fn hash_stable<W: StableHasherResult>(
    &self,
    hcx: &mut StableHashingContext<'gcx>,
    hasher: &mut StableHasher<W>
)

🔬 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?