Struct chalk_solve::rust_ir::FnDefDatumBound

pub struct FnDefDatumBound<I: Interner> {
    pub inputs_and_output: Binders<FnDefInputsAndOutputDatum<I>>,
    pub where_clauses: Vec<QuantifiedWhereClause<I>>,
}

Represents the bounds on a FnDefDatum, including the function definition’s type signature and where clauses.

Fields

inputs_and_output: Binders<FnDefInputsAndOutputDatum<I>>

Inputs and outputs defined on a function These are needed for late-bound regions in rustc. For example the lifetime 'a in

fn foo<'a, T>(&'a T);
       ^^

Rustc doesn’t pass in late-bound the regions in substs, but the inputs and outputs may use them. where_clauses don’t need an extra set of Binders, since any lifetimes found in where clauses are not late-bound.

For more information, see this rustc-dev-guide chapter.

where_clauses: Vec<QuantifiedWhereClause<I>>

Where clauses defined on the function

fn foo<T>() where T: Eq;
            ^^^^^^^^^^^

Trait Implementations

impl<I: Clone + Interner> Clone for FnDefDatumBound<I>

fn clone(&self) -> FnDefDatumBound<I>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<I: Debug + Interner> Debug for FnDefDatumBound<I>

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

Formats the value using the given formatter.

impl<I: Interner> HasInterner for FnDefDatumBound<I>

type Interner = I

The interner associated with the type.

impl<I: Hash + Interner> Hash for FnDefDatumBound<I>

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<I: PartialEq + Interner> PartialEq for FnDefDatumBound<I>

fn eq(&self, other: &FnDefDatumBound<I>) -> bool

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<I: Interner> TypeFoldable<I> for FnDefDatumBound<I>

fn try_fold_with<E>( self, folder: &mut dyn FallibleTypeFolder<I, Error = E>, outer_binder: DebruijnIndex, ) -> Result<Self, E>

Apply the given folder folder to self; binders is the number of binders that are in scope when beginning the folder. Typically binders starts as 0, but is adjusted when we encounter Binders<T> in the IR or other similar constructs.

fn fold_with( self, folder: &mut dyn TypeFolder<I, Error = Infallible>, outer_binder: DebruijnIndex, ) -> Self

A convenient alternative to try_fold_with for use with infallible folders. Do not override this method, to ensure coherence with try_fold_with.

impl<I: Interner> TypeVisitable<I> for FnDefDatumBound<I>

fn visit_with<B>( &self, visitor: &mut dyn TypeVisitor<I, BreakTy = B>, outer_binder: DebruijnIndex, ) -> ControlFlow<B>

Apply the given visitor visitor to self; binders is the number of binders that are in scope when beginning the visitor. Typically binders starts as 0, but is adjusted when we encounter Binders<T> in the IR or other similar constructs.

impl<I: Eq + Interner> Eq for FnDefDatumBound<I>

impl<I: Interner> StructuralPartialEq for FnDefDatumBound<I>