Trait rustc::ty::fold::TypeFoldable

pub trait TypeFoldable<'tcx>: Debug + Clone {
    fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
        &self, 
        folder: &mut F
    ) -> Self;
    fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool;

    fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
        &self, 
        folder: &mut F
    ) -> Self { ... }
    fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool { ... }
    fn has_regions_escaping_depth(&self, depth: u32) -> bool { ... }
    fn has_escaping_regions(&self) -> bool { ... }
    fn has_type_flags(&self, flags: TypeFlags) -> bool { ... }
    fn has_projections(&self) -> bool { ... }
    fn references_error(&self) -> bool { ... }
    fn has_param_types(&self) -> bool { ... }
    fn has_self_ty(&self) -> bool { ... }
    fn has_infer_types(&self) -> bool { ... }
    fn needs_infer(&self) -> bool { ... }
    fn needs_subst(&self) -> bool { ... }
    fn has_re_skol(&self) -> bool { ... }
    fn has_closure_types(&self) -> bool { ... }
    fn has_erasable_regions(&self) -> bool { ... }
    fn is_normalized_for_trans(&self) -> bool { ... }
    fn is_global(&self) -> bool { ... }
}

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

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The TypeFoldable trait is implemented for every type that can be folded. Basically, every type that has a corresponding method in TypeFolder.

Required Methods

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

Provided Methods

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false.

Implementations on Foreign Types

impl<'tcx> TypeFoldable<'tcx> for ()

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, _: &mut F)

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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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impl<'tcx> TypeFoldable<'tcx> for Abi

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    _: &mut F
) -> Abi

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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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impl<'tcx> TypeFoldable<'tcx> for Span

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    _: &mut F
) -> Span

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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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impl<'tcx, T: TypeFoldable<'tcx>, U: TypeFoldable<'tcx>> TypeFoldable<'tcx> for (T, U)

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> (T, U)

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

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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Option<T>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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

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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 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?

fn has_escaping_regions(&self) -> bool

🔬 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?

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 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?

fn has_projections(&self) -> bool

🔬 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?

fn references_error(&self) -> bool

🔬 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?

fn has_param_types(&self) -> bool

🔬 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?

fn has_self_ty(&self) -> bool

🔬 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?

fn has_infer_types(&self) -> bool

🔬 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?

fn needs_infer(&self) -> bool

🔬 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?

fn needs_subst(&self) -> bool

🔬 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?

fn has_re_skol(&self) -> bool

🔬 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?

fn has_closure_types(&self) -> bool

🔬 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?

fn has_erasable_regions(&self) -> bool

🔬 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?

fn is_normalized_for_trans(&self) -> bool

🔬 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?

fn is_global(&self) -> bool

🔬 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?

impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Rc<T>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 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?

fn has_escaping_regions(&self) -> bool

🔬 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?

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 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?

fn has_projections(&self) -> bool

🔬 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?

fn references_error(&self) -> bool

🔬 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?

fn has_param_types(&self) -> bool

🔬 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?

fn has_self_ty(&self) -> bool

🔬 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?

fn has_infer_types(&self) -> bool

🔬 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?

fn needs_infer(&self) -> bool

🔬 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?

fn needs_subst(&self) -> bool

🔬 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?

fn has_re_skol(&self) -> bool

🔬 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?

fn has_closure_types(&self) -> bool

🔬 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?

fn has_erasable_regions(&self) -> bool

🔬 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?

fn is_normalized_for_trans(&self) -> bool

🔬 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?

fn is_global(&self) -> bool

🔬 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?

impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Box<T>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 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?

fn has_escaping_regions(&self) -> bool

🔬 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?

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 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?

fn has_projections(&self) -> bool

🔬 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?

fn references_error(&self) -> bool

🔬 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?

fn has_param_types(&self) -> bool

🔬 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?

fn has_self_ty(&self) -> bool

🔬 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?

fn has_infer_types(&self) -> bool

🔬 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?

fn needs_infer(&self) -> bool

🔬 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?

fn needs_subst(&self) -> bool

🔬 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?

fn has_re_skol(&self) -> bool

🔬 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?

fn has_closure_types(&self) -> bool

🔬 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?

fn has_erasable_regions(&self) -> bool

🔬 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?

fn is_normalized_for_trans(&self) -> bool

🔬 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?

fn is_global(&self) -> bool

🔬 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?

impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Vec<T>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 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?

fn has_escaping_regions(&self) -> bool

🔬 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?

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 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?

fn has_projections(&self) -> bool

🔬 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?

fn references_error(&self) -> bool

🔬 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?

fn has_param_types(&self) -> bool

🔬 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?

fn has_self_ty(&self) -> bool

🔬 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?

fn has_infer_types(&self) -> bool

🔬 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?

fn needs_infer(&self) -> bool

🔬 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?

fn needs_subst(&self) -> bool

🔬 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?

fn has_re_skol(&self) -> bool

🔬 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?

fn has_closure_types(&self) -> bool

🔬 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?

fn has_erasable_regions(&self) -> bool

🔬 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?

fn is_normalized_for_trans(&self) -> bool

🔬 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?

fn is_global(&self) -> bool

🔬 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?

impl<'tcx, T: TypeFoldable<'tcx>, I: Idx> TypeFoldable<'tcx> for IndexVec<I, T>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

🔬 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?

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 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?

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 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?

fn has_escaping_regions(&self) -> bool

🔬 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?

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 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?

fn has_projections(&self) -> bool

🔬 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?

fn references_error(&self) -> bool

🔬 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?

fn has_param_types(&self) -> bool

🔬 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?

fn has_self_ty(&self) -> bool

🔬 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?

fn has_infer_types(&self) -> bool

🔬 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?

fn needs_infer(&self) -> bool

🔬 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?

fn needs_subst(&self) -> bool

🔬 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?

fn has_re_skol(&self) -> bool

🔬 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?

fn has_closure_types(&self) -> bool

🔬 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?

fn has_erasable_regions(&self) -> bool

🔬 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?

fn is_normalized_for_trans(&self) -> bool

🔬 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?

fn is_global(&self) -> bool

🔬 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?

Implementors

• impl<'tcx> TypeFoldable<'tcx> for ValuePairs<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for TypeTrace<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for PlaceTy<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Mir<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for GeneratorLayout<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for LocalDecl<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for BasicBlockData<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ValidationOperand<'tcx, Place<'tcx>>
• impl<'tcx> TypeFoldable<'tcx> for Statement<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Terminator<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Place<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Rvalue<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Operand<'tcx>
• impl<'tcx, B, V, T> TypeFoldable<'tcx> for Projection<'tcx, B, V, T> where
    B: TypeFoldable<'tcx>,
    V: TypeFoldable<'tcx>,
    T: TypeFoldable<'tcx>, 
• impl<'tcx> TypeFoldable<'tcx> for Constant<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Literal<'tcx>
• impl<'tcx, O: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Obligation<'tcx, O>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableImplData<'tcx, N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableGeneratorData<'tcx, N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableClosureData<'tcx, N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableAutoImplData<N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableBuiltinData<N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableObjectData<'tcx, N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for VtableFnPointerData<'tcx, N>
• impl<'tcx, N: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Vtable<'tcx, N>
• impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Normalized<'tcx, T>
• impl<'tcx> TypeFoldable<'tcx> for ObligationCauseCode<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for DerivedObligationCause<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ObligationCause<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Kind<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for &'tcx Substs<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Unsafety
• impl<'tcx> TypeFoldable<'tcx> for DefId
• impl<'tcx> TypeFoldable<'tcx> for Local
• impl<'tcx> TypeFoldable<'tcx> for Reveal
• impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Binder<T>
• impl<'tcx> TypeFoldable<'tcx> for ParamEnv<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for &'tcx Slice<ExistentialPredicate<'tcx>>
• impl<'tcx> TypeFoldable<'tcx> for ExistentialPredicate<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for &'tcx Slice<Ty<'tcx>>
• impl<'tcx> TypeFoldable<'tcx> for Ty<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for TypeAndMut<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for GenSig<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for FnSig<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for TraitRef<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ExistentialTraitRef<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ImplHeader<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Region<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ClosureSubsts<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for GeneratorInterior<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Adjustment<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for Adjust<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for OverloadedDeref<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for AutoBorrow<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for GenericPredicates<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for &'tcx Slice<Predicate<'tcx>>
• impl<'tcx> TypeFoldable<'tcx> for Predicate<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ProjectionPredicate<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ExistentialProjection<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ProjectionTy<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for InstantiatedPredicates<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for EquatePredicate<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for SubtypePredicate<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for TraitPredicate<'tcx>
• impl<'tcx, T, U> TypeFoldable<'tcx> for OutlivesPredicate<T, U> where
    T: TypeFoldable<'tcx>,
    U: TypeFoldable<'tcx>, 
• impl<'tcx> TypeFoldable<'tcx> for ClosureUpvar<'tcx>
• impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ExpectedFound<T>
• impl<'tcx> TypeFoldable<'tcx> for Default<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for TypeError<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for ConstVal<'tcx>
• impl<'tcx> TypeFoldable<'tcx> for &'tcx Const<'tcx>