owen-d/Maybe.ts

## Maybe.ts

// This excludes us from trying to use (Maybe null) sensibly.

export type Maybe<T> = T | null

export function isJust<T>(x: Maybe<T>): x is T {
  return x !== null
}

export function isNothing<T>(x: Maybe<T>): x is null {
  return x === null
}

	// This excludes us from trying to use (Maybe null) sensibly.

	export type Maybe<T> = T \| null

	export function isJust<T>(x: Maybe<T>): x is T {
	return x !== null
	}

	export function isNothing<T>(x: Maybe<T>): x is null {
	return x === null
	}