/src/option.ts | ahh@v0.13.0

import * as ahh from "https://deno.land/x/ahh@v0.13.0/src/option.ts";

An optional value.

The Option type defined here is nothing special, it's the same as what the rest of the ecosystem already uses. Thanks to this, we still benefit from the built-in language features for nullish types, such as:

nullish coalescing (?? and ??=); and,
optional chaining (?.).

Variables

default

Functions

f isNone	Returns whether `option` is a `None` value.
f isSome	Returns whether `option` is a `Some` value.
f map	Returns the result of `fn` appied to the value of `option`, if it is a `Some`.
f unzip	Returns the values of `option` as a tuple of `Option`s.
f zip	Returns the values of `option` and `other` as a tuple if both are `Some`s.

Type Aliases

T None	A value that is [nullish]; either `undefined` or `null`.
T Option	A value that is either `None` or `Some`.
T Some	A value that is non-[nullish].