Function transform

repos/effect/packages/effect/src/SchemaGetter.ts:499–501

(f: (e: E) => T)

 * - Skips `None` inputs — only called when a value is present.
 * - Never fails.
 *
 * **Example** (Transforming strings to numbers)
 *
 * ```ts import.meta.vitest
 * import { Schema, SchemaGetter } from "effect"
 *