Struct ra_ap_hir_ty::Binders

pub struct Binders<T> {
    pub num_binders: usize,
    pub value: T,
}

Fields

num_binders: usize

value: T

Implementations

impl<T> Binders<T>

pub fn new(num_binders: usize, value: T) -> Self

pub fn as_ref(&self) -> Binders<&T>

pub fn map<U>(self, f: impl FnOnce(T) -> U) -> Binders<U>

pub fn filter_map<U>(self, f: impl FnOnce(T) -> Option<U>) -> Option<Binders<U>>

impl<T: Clone, '_> Binders<&'_ T>

pub fn cloned(&self) -> Binders<T>

impl<T: TypeWalk> Binders<T>

pub fn subst(self, subst: &Substs) -> T

Substitutes all variables.

pub fn subst_prefix(self, subst: &Substs) -> Binders<T>

Substitutes just a prefix of the variables (shifting the rest).

Trait Implementations

impl<T: Clone> Clone for Binders<T>

pub fn clone(&self) -> Binders<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Copy> Copy for Binders<T>

impl<T: Debug> Debug for Binders<T>

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

Formats the value using the given formatter.

impl<T: Eq> Eq for Binders<T>

impl<T: Hash> Hash for Binders<T>

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl<T: PartialEq> PartialEq<Binders<T>> for Binders<T>

pub fn eq(&self, other: &Binders<T>) -> bool

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

pub fn ne(&self, other: &Binders<T>) -> bool

This method tests for !=.

impl<T> StructuralEq for Binders<T>

impl<T> StructuralPartialEq for Binders<T>

impl<T: TypeWalk> TypeWalk for Binders<T>

pub fn walk(&self, f: &mut impl FnMut(&Ty))

pub fn walk_mut_binders(
    &mut self,
    f: &mut impl FnMut(&mut Ty, DebruijnIndex),
    binders: DebruijnIndex
)

Walk the type, counting entered binders.

pub fn walk_mut(&mut self, f: &mut impl FnMut(&mut Ty))

pub fn fold_binders(
    self,
    f: &mut impl FnMut(Ty, DebruijnIndex) -> Ty,
    binders: DebruijnIndex
) -> Self where
    Self: Sized, 

pub fn fold(self, f: &mut impl FnMut(Ty) -> Ty) -> Self where
    Self: Sized, 

pub fn subst_bound_vars(self, substs: &Substs) -> Self where
    Self: Sized, 

Substitutes Ty::Bound vars with the given substitution.

pub fn subst_bound_vars_at_depth(
    self,
    substs: &Substs,
    depth: DebruijnIndex
) -> Self where
    Self: Sized, 

Substitutes Ty::Bound vars with the given substitution.

pub fn shift_bound_vars(self, n: DebruijnIndex) -> Self where
    Self: Sized, 

Shifts up debruijn indices of Ty::Bound vars by n.