Function fromUndefinedOr

packages/effect/src/Option.ts:807–809

(
  a: A
)

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

/**
 * Converts a possibly `null` value into an `Option`, leaving `undefined`