Function fromNullOr

packages/effect/src/Option.ts:841–843

(
  a: A
)

 * @since 4.0.0
 */
export const fromNullOr = <A>(
  a: A
): Option<Exclude<A, null>> => (a === null ? none() : some(a as Exclude<A, null>))

/**
 * Lifts a function that may return `null` or `undefined` into one that returns