Struct SymField 

pub struct SymField<'db>(Id, PhantomData<&'db Value<SymField<'static>>>);

Symbol for a field of a class, struct, or enum

Tuple Fields

0: Id

1: PhantomData<&'db Value<SymField<'static>>>

Implementations

impl SymField<'static>

pub fn ingredient(db: &dyn Database) -> &IngredientImpl<SymField<'static>>

impl<'db> SymField<'db>

pub fn new<Db_>( db: &'db Db_, scope_item: ScopeItem<'db>, name: Identifier<'db>, name_span: Span<'db>, source: AstFieldDecl<'db>, ) -> Self

where Db_: ?Sized + Database,

pub fn scope_item<Db_>(self, db: &'db Db_) -> ScopeItem<'db>

where Db_: ?Sized + Database,

pub fn name<Db_>(self, db: &'db Db_) -> Identifier<'db>

where Db_: ?Sized + Database,

pub fn name_span<Db_>(self, db: &'db Db_) -> Span<'db>

where Db_: ?Sized + Database,

pub fn source<Db_>(self, db: &'db Db_) -> AstFieldDecl<'db>

where Db_: ?Sized + Database,

impl<'_db> SymField<'_db>

pub fn default_debug_fmt(this: Self, f: &mut Formatter<'_>) -> Result

where for<'db> ScopeItem<'db>: Debug, for<'db> Identifier<'db>: Debug, for<'db> Span<'db>: Debug, for<'db> AstFieldDecl<'db>: Debug,

Default debug formatting for this struct (may be useful if you define your own Debug impl)

impl<'db> SymField<'db>

pub fn self_sym(self: SymField<'db>, db: &'db dyn Db) -> SymVariable<'db>

The symbol for the self variable that appears in this field’s type. (Every field and class member has their own self symbol.)

pub fn into_scope(self, db: &'db dyn Db) -> Scope<'db, 'db>

The scope for resolving the type of this field.

Trait Implementations

impl AsId for SymField<'_>

fn as_id(&self) -> Id

impl<'db> CheckedFieldTy<'db> for SymField<'db>

fn checked_field_ty( self: SymField<'db>, db: &'db dyn Db, ) -> Binder<'db, Binder<'db, SymTy<'db>>>

See crate::check::fields::check_field

impl<'db> Clone for SymField<'db>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Configuration for SymField<'static>

const DEBUG_NAME: &'static str = "SymField"

The debug name of the tracked struct.

const FIELD_DEBUG_NAMES: &'static [&'static str]

The debug names of any fields.

const TRACKED_FIELD_INDICES: &'static [usize]

The relative indices of any tracked fields.

type Fields<'db> = (ScopeItem<'db>, Identifier<'db>, Span<'db>, AstFieldDecl<'db>)

A (possibly empty) tuple of the fields for this struct.

type Revisions = Array<Revision, 0>

A array of [Revision][] values, one per each of the tracked value fields. When a struct is re-recreated in a new revision, the corresponding entries for each field are updated to the new revision if their values have changed (or if the field is marked as #[no_eq]).

type Struct<'db> = SymField<'db>

fn struct_from_id<'db>(id: Id) -> Self::Struct<'db>

Create an end-user struct from the underlying raw pointer.

fn deref_struct(s: Self::Struct<'_>) -> Id

Deref the struct to yield the underlying id.

fn untracked_fields(fields: &Self::Fields<'_>) -> impl Hash

fn new_revisions(current_revision: Revision_) -> Self::Revisions

Create a new value revision array where each element is set to current_revision.

unsafe fn update_fields<'db>( current_revision: Revision_, revisions: &mut Self::Revisions, old_fields: *mut Self::Fields<'db>, new_fields: Self::Fields<'db>, ) -> bool

Update the field data and, if the value has changed, the appropriate entry in the revisions array (tracked fields only).

impl Debug for SymField<'_>

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

Formats the value using the given formatter.

impl Display for SymField<'_>

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

Formats the value using the given formatter.

impl<'db> From<SymField<'db>> for SymClassMember<'db>

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

Converts to this type from the input type.

impl<'db> FromId for SymField<'db>

fn from_id(id: Id) -> Self

impl<'db> Hash for SymField<'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 SymField<'db>

fn cmp(&self, other: &SymField<'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 SymField<'db>

fn eq(&self, other: &SymField<'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 SymField<'db>

fn partial_cmp(&self, other: &SymField<'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 SalsaStructInDb for SymField<'_>

type MemoIngredientMap = MemoIngredientSingletonIndex

fn lookup_or_create_ingredient_index(aux: &Zalsa) -> IngredientIndices

Lookup or create ingredient indices.

fn cast(id: Id, type_id: TypeId) -> Option<Self>

Plumbing to support nested salsa supertypes.

impl<'db> Serialize for SymField<'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> SourceSpanned<'db> for SymField<'db>

fn source_span(&self, db: &'db dyn Db) -> Span<'db>

impl<'db> Spanned<'db> for SymField<'db>

fn span(&self, db: &'db dyn Db) -> Span<'db>

impl<'db> Subst<'db> for SymField<'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, Term> SubstWith<'db, Term> for SymField<'db>

type Output = SymField<'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, Term>, ) -> Self::Output

Replace self applying the changes from subst_fns.

impl TrackedStructInDb for SymField<'_>

fn database_key_index(db: &dyn Database, id: Id) -> DatabaseKeyIndex

Converts the identifier for this tracked struct into a DatabaseKeyIndex.

impl Update for SymField<'_>

unsafe fn maybe_update(old_pointer: *mut Self, new_value: Self) -> bool

Returns

impl<'db> Copy for SymField<'db>

impl<'db> Eq for SymField<'db>

impl Send for SymField<'_>

impl<'db> StructuralPartialEq for SymField<'db>

impl Sync for SymField<'_>