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 SyntaxContextId

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

type Data = SyntaxContextData

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

Implementors

impl Lookup for MacroCallId

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

type Data = MacroCallLoc