Function withNow

packages/effect/src/internal/metric.ts:537–539

(
  self: Metric.Metric<Type, readonly [In, number], Out>
)

/** @internal */
export const withNow = <Type, In, Out>(
  self: Metric.Metric<Type, readonly [In, number], Out>
): Metric.Metric<Type, In, Out> => mapInput(self, (input: In) => [input, Date.now()] as const)

/** @internal */
export const zip = dual<