Function get

packages/effect/src/Layer.ts:2317–2327

(target, prop, _receiver)

  succeed(service)(
    new Proxy({ ...implementation as object } as S, {
      get(target, prop, _receiver) {
        if (prop in target) {
          return target[prop as keyof S]
        }
        const prevLimit = getStackTraceLimit()
        setStackTraceLimit(2)
        const error = new Error(`${service.key}: Unimplemented method "${prop.toString()}"`)
        setStackTraceLimit(prevLimit)
        error.name = "UnimplementedError"
        return makeUnimplemented(error)
      },
      has: constTrue
    })
  )