Package: effect
Module: Layer
Constructs a MemoMap synchronously so it can be used to build additional layers.
Example (Creating a memo map unsafely)
import { Context, Effect, Layer } from "effect"
class Database extends Context.Service<Database, {
readonly query: (sql: string) => Effect.Effect<string>
}>()("Database") {}
// Create a memo map for manual layer building
const program = Effect.gen(function*() {
const memoMap = Layer.makeMemoMapUnsafe()
const scope = yield* Effect.scope
const dbLayer = Layer.succeed(Database, {
query: Effect.fn("Database.query")((sql: string) => Effect.succeed("result"))
})
const context = yield* Layer.buildWithMemoMap(dbLayer, memoMap, scope)
return Context.get(context, Database)
})
Signature
declare const makeMemoMapUnsafe: () => MemoMap
Since v4.0.0