Trait Lookup

pub trait Lookup {
    type Database<'db>: ?Sized;
    type Data;

    // Required method
    fn lookup(&self, db: &Self::Database<'_>) -> Self::Data;
}

Required Associated Types

type Database<'db>: ?Sized

type Data

Required Methods

fn lookup(&self, db: &Self::Database<'_>) -> Self::Data

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl Lookup for MacroCallId

type Database<'db> = dyn ExpandDatabase + 'db

type Data = MacroCallLoc

fn lookup(&self, db: &<MacroCallId as Lookup>::Database<'_>) -> MacroCallLoc

impl Lookup for SyntaxContextId

type Database<'db> = dyn ExpandDatabase + 'db

type Data = SyntaxContextData

fn lookup( &self, db: &<SyntaxContextId as Lookup>::Database<'_>, ) -> SyntaxContextData

Implementors

impl Lookup for BlockId

type Database<'db> = dyn DefDatabase + 'db

type Data = BlockLoc

impl Lookup for ConstBlockId

type Database<'db> = dyn DefDatabase + 'db

type Data = ConstBlockLoc

impl Lookup for ConstId

type Database<'db> = dyn DefDatabase + 'db

type Data = AssocItemLoc<Const>

impl Lookup for EnumId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Enum>

impl Lookup for EnumVariantId

type Database<'db> = dyn DefDatabase + 'db

type Data = EnumVariantLoc

impl Lookup for ExternBlockId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<ExternBlock>

impl Lookup for ExternCrateId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<ExternCrate>

impl Lookup for FunctionId

type Database<'db> = dyn DefDatabase + 'db

type Data = AssocItemLoc<Function>

impl Lookup for ImplId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Impl>

impl Lookup for InTypeConstId

type Database<'db> = dyn DefDatabase + 'db

type Data = InTypeConstLoc

impl Lookup for Macro2Id

type Database<'db> = dyn DefDatabase + 'db

type Data = Macro2Loc

impl Lookup for MacroRulesId

type Database<'db> = dyn DefDatabase + 'db

type Data = MacroRulesLoc

impl Lookup for ProcMacroId

type Database<'db> = dyn DefDatabase + 'db

type Data = ProcMacroLoc

impl Lookup for StaticId

type Database<'db> = dyn DefDatabase + 'db

type Data = AssocItemLoc<Static>

impl Lookup for StructId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Struct>

impl Lookup for TraitAliasId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<TraitAlias>

impl Lookup for TraitId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Trait>

impl Lookup for TypeAliasId

type Database<'db> = dyn DefDatabase + 'db

type Data = AssocItemLoc<TypeAlias>

impl Lookup for UnionId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Union>

impl Lookup for UseId

type Database<'db> = dyn DefDatabase + 'db

type Data = ItemLoc<Use>