Enum SymGenericTerm 

pub enum SymGenericTerm<'db> {
    Type(SymTy<'db>),
    Perm(SymPerm<'db>),
    Place(SymPlace<'db>),
    Error(Reported),
}

Value of a generic parameter

Variants

Type(SymTy<'db>)

Perm(SymPerm<'db>)

Place(SymPlace<'db>)

Error(Reported)

Implementations

impl<'db> SymGenericTerm<'db>

pub fn assert_type(self, db: &'db dyn Db) -> SymTy<'db>

pub fn assert_perm(self, db: &'db dyn Db) -> SymPerm<'db>

pub fn assert_place(self, db: &'db dyn Db) -> SymPlace<'db>

pub fn kind(self) -> Errors<SymGenericKind>

Returns the kind of term (or Err if it is an error).

pub fn has_kind(self, _db: &'db dyn Db, kind: SymGenericKind) -> bool

True if self is an error or if it has the given kind.

pub fn as_infer(self, db: &'db dyn Db) -> Option<InferVarIndex>

Returns the inference variable index if self is an inference variable.

pub fn describe(&self) -> String

Returns a string describing self, similar to “type X”

pub fn fallback(db: &'db dyn Db, kind: InferVarKind) -> Self

Trait Implementations

impl<'db> Applicable<'db> for SymGenericTerm<'db>

fn apply_from(self, db: &'db dyn Db, perm: SymPerm<'db>) -> Self

impl<'db> AssertKind<'db, SymPerm<'db>> for SymGenericTerm<'db>

fn assert_kind(self, db: &'db dyn Db) -> SymPerm<'db>

impl<'db> AssertKind<'db, SymPlace<'db>> for SymGenericTerm<'db>

fn assert_kind(self, db: &'db dyn Db) -> SymPlace<'db>

impl<'db> AssertKind<'db, SymTy<'db>> for SymGenericTerm<'db>

fn assert_kind(self, db: &'db dyn Db) -> SymTy<'db>

impl<'db> Clone for SymGenericTerm<'db>

fn clone(&self) -> SymGenericTerm<'db>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'db> Debug for SymGenericTerm<'db>

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

Formats the value using the given formatter.

impl Display for SymGenericTerm<'_>

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

Formats the value using the given formatter.

impl<'db> Err<'db> for SymGenericTerm<'db>

fn err(_db: &'db dyn Db, reported: Reported) -> Self

impl<'db> From<Reported> for SymGenericTerm<'db>

fn from(value: Reported) -> Self

Converts to this type from the input type.

impl<'db> From<SymPerm<'db>> for SymGenericTerm<'db>

fn from(value: SymPerm<'db>) -> Self

Converts to this type from the input type.

impl<'db> From<SymPlace<'db>> for SymGenericTerm<'db>

fn from(value: SymPlace<'db>) -> Self

Converts to this type from the input type.

impl<'db> From<SymTy<'db>> for SymGenericTerm<'db>

fn from(value: SymTy<'db>) -> Self

Converts to this type from the input type.

impl<'db> FromInferVar<'db> for SymGenericTerm<'db>

fn infer(db: &'db dyn Db, kind: SymGenericKind, index: InferVarIndex) -> Self

impl<'db> FromVar<'db> for SymGenericTerm<'db>

fn var(db: &'db dyn Db, var: SymVariable<'db>) -> Self

impl<'db> HasKind<'db> for SymGenericTerm<'db>

fn has_kind(&self, _db: &'db dyn Db, kind: SymGenericKind) -> bool

impl<'db> Hash for SymGenericTerm<'db>

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<'db> Ord for SymGenericTerm<'db>

fn cmp(&self, other: &SymGenericTerm<'db>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<'db> PartialEq for SymGenericTerm<'db>

fn eq(&self, other: &SymGenericTerm<'db>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

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

impl<'db> PartialOrd for SymGenericTerm<'db>

fn partial_cmp(&self, other: &SymGenericTerm<'db>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'db> Serialize for SymGenericTerm<'db>

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<'db> Subst<'db> for SymGenericTerm<'db>

type GenericTerm = SymGenericTerm<'db>

The notion of generic term appropriate for this type. When we substitute variables, this is the type of value that we replace them with.

fn subst_vars( &self, db: &'db dyn Db, map: &Map<SymVariable<'db>, Self::GenericTerm>, ) -> Self::Output

Returns a version of self where universal free variables have been replaced by the corresponding entry in terms. If a variable is not present in terms it is not substituted.

fn subst_var( &self, db: &'db dyn Db, var: SymVariable<'db>, term: Self::GenericTerm, ) -> Self::Output

Replace the variable var with term.

fn resolve_infer_var( &self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, op: impl FnMut(InferVarIndex) -> Option<Self::GenericTerm>, ) -> Self::Output

Replace all inference variables with whatever is returned by op; if op returns None, the inference variable is left unchanged.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymExpr<'db>

type Output = SymExpr<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymExprKind<'db>

type Output = SymExprKind<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymFunctionSignature<'db>

type Output = SymFunctionSignature<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymGenericTerm<'db>

type Output = SymGenericTerm<'db>

The type of the resulting term; typically Self but not always.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymInputOutput<'db>

type Output = SymInputOutput<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymMatchArm<'db>

type Output = SymMatchArm<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymPerm<'db>

type Output = SymPerm<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymPlace<'db>

type Output = SymPlace<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymPlaceExpr<'db>

type Output = SymPlaceExpr<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymPlaceExprKind<'db>

type Output = SymPlaceExprKind<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymTy<'db>

type Output = SymTy<'db>

The type of the resulting term; typically Self but not always.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

impl<'db> SubstWith<'db, SymGenericTerm<'db>> for SymWhereClause<'db>

type Output = SymWhereClause<'db>

The type of the resulting term; typically Self but not always.

fn identity(&self) -> Self::Output

Reproduce self with no edits.

fn subst_with<'subst>( &'subst self, db: &'db dyn Db, bound_vars: &mut Vec<SymVariable<'db>>, subst_fns: &mut SubstitutionFns<'_, 'db, SymGenericTerm<'db>>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl<'db> ToRedTy<'db> for SymGenericTerm<'db>

fn to_red_ty(&self, env: &mut Env<'db>) -> (RedTy<'db>, SymPerm<'db>)

impl<'db> Update for SymGenericTerm<'db>

unsafe fn maybe_update(old_pointer_: *mut Self, new_value_: Self) -> bool

Returns

impl<'db> Copy for SymGenericTerm<'db>

impl<'db> Eq for SymGenericTerm<'db>

impl<'db> StructuralPartialEq for SymGenericTerm<'db>