Enum rustc_trait_selection::traits::ChalkEnvironmentClause

pub enum ChalkEnvironmentClause<'tcx> {
    Predicate(Predicate<'tcx>),
    TypeFromEnv(&'tcx TyS<'tcx>),
}

Variants

Predicate(Predicate<'tcx>)

A normal rust ty::Predicate in the environment.

TypeFromEnv(&'tcx TyS<'tcx>)

A special clause in the environment that gets lowered to chalk_ir::FromEnv::Ty.

Trait Implementations

impl<'tcx> Clone for ChalkEnvironmentClause<'tcx>

fn clone(&self) -> ChalkEnvironmentClause<'tcx>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'tcx> Copy for ChalkEnvironmentClause<'tcx>

impl<'tcx> Debug for ChalkEnvironmentClause<'tcx>

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

Formats the value using the given formatter.

impl<'tcx> Eq for ChalkEnvironmentClause<'tcx>

impl<'tcx> Hash for ChalkEnvironmentClause<'tcx>

fn hash<__H>(&self, state: &mut __H) where
    __H: Hasher, 

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<'tcx> PartialEq<ChalkEnvironmentClause<'tcx>> for ChalkEnvironmentClause<'tcx>

fn eq(&self, other: &ChalkEnvironmentClause<'tcx>) -> bool

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

fn ne(&self, other: &ChalkEnvironmentClause<'tcx>) -> bool

This method tests for !=.