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Functions264 in github.com/19h/rsult

⨍ Functions 264◇ Types & classes 38

* On None, `and` returns None with updated type parameter.

src/option.ts:551

* Returns the provided ResultAsync if this is Ok, otherwise returns this Err.

src/result-async.ts:384

(res: Result<U, E>)

src/result.ts:378

* On Err, `and` returns self. We construct a new ResultErr with updated value type.

src/result.ts:550

* Returns the provided OptionAsync if this is Some, otherwise returns None.

src/option-async.ts:265

* Chains a function that returns an Option or OptionAsync.

src/option-async.ts:227

* Returns `None` if `self` is `None`, otherwise calls `fn` with the wrapped value. * This is the monadic bind operation (flatMap).

src/option.ts:113

(fn: (arg: T) => Option<U>)

src/option.ts:367

* On None, `and_then` returns None with updated type parameter.

src/option.ts:558

(fn: (arg: T) => Result<U, E>)

src/result.ts:382

* On Err, `and_then` returns self. We construct a new ResultErr with updated value type.

src/result.ts:557

Methodconstructor

(public value: T)

src/option.ts:308

Methodconstructor

(private readonly promise: Promise<Result<T, E>>)

src/result-async.ts:42

Methodconstructor

(readonly value: T)

src/result.ts:295

Methodconstructor

(readonly value: E)

src/result.ts:466

Methodconstructor

(private readonly promise: Promise<Option<T>>)

src/option-async.ts:35

* Creates a failed ResultAsync containing the error.

src/result-async.ts:65

src/result.ts:319

src/result.ts:490

* Returns the contained `Some` value, or throws with the provided message. * * @throws Error with `msg` if this is `None`

src/option.ts:76

src/option.ts:328

src/option.ts:511

* Unwraps the Ok value, or throws with the provided message.

src/result-async.ts:416

src/result.ts:361

src/result.ts:530

* Unwraps the Some value, or throws with the provided message.

src/option-async.ts:318

MethodexpectErr

* Unwraps the Err value, or throws with the provided message.

src/result-async.ts:432

Methodexpect_err

src/result.ts:369

Methodexpect_err

src/result.ts:538

(predicate: (arg: T) => boolean)

src/option.ts:394

* On None, filter returns None.

src/option.ts:578

* Filters the Some value using a predicate.

src/option-async.ts:297

src/option.ts:438

src/option.ts:612

* Flattens a ResultAsync<Result<U, E>, E> into ResultAsync<U, E>.

src/result-async.ts:519

* Flattens a `Result<Result<U, E2>, E>` into `Result<U, E | E2>`. * * If `T` is not a `Result`, returns `Result<T, E>` unchanged.

src/result.ts:198

src/result.ts:410

src/result.ts:579

* Flattens an OptionAsync<Option<U>> into OptionAsync<U>.

src/option-async.ts:375

MethodfromPromise

* Wraps a Promise, converting resolution to Some and rejection to None. * * @example * ```typescript * const result = await Option

src/option-async.ts:70

* Calls `fn` with the contained value for side effects, then returns the original option. * * @example * ```typescript * Some(5)

src/option.ts:100

(f: (val: T) => void)

src/option.ts:357

(_f: (val: T) => void)

src/option.ts:543

* Calls the function with the Ok value for side effects.

src/result-async.ts:471

(f: (val: T) => void)

src/result.ts:346

(_f: (val: T) => void)

src/result.ts:515

* Calls the function with the Some value for side effects.

src/option-async.ts:357

Methodinspect_err

(_f: (val: E) => void)

src/result.ts:351

Methodinspect_err

(f: (val: E) => void)

src/result.ts:519

src/result.ts:423

src/result.ts:588

src/result.ts:419

src/result.ts:584

src/result.ts:302

src/result.ts:473

Methodis_err_and

(_f: (value: E) => boolean)

src/result.ts:310

Methodis_err_and

(f: (value: E) => boolean)

src/result.ts:481

src/option.ts:319

src/option.ts:502

Methodis_none_or

(f: (arg: T) => boolean)

src/option.ts:323

Methodis_none_or

(_f: (arg: T) => boolean)

src/option.ts:506

src/result.ts:298

src/result.ts:469

Methodis_ok_and

(f: (value: T) => boolean)

src/result.ts:306

Methodis_ok_and

(_f: (value: T) => boolean)

src/result.ts:477

src/option.ts:311

src/option.ts:494

Methodis_some_and

(f: (arg: T) => boolean)

src/option.ts:315

Methodis_some_and

(_f: (arg: T) => boolean)

src/option.ts:498

src/result.ts:356

src/result.ts:525

* Maps an `Option<T>` to `Option<U>` by applying `fn` to the contained value.

src/option.ts:83

(fn: (arg: T) => U)

src/option.ts:349

* On None, map returns None with updated type parameter.

src/option.ts:535

* Maps the Ok value using a sync or async function. * * @example * ```typescript * const result = ResultAsync.ok(5) * .ma

src/result-async.ts:261

(fn: (arg: T) => U)

src/result.ts:324

* On Err, map is a no-op that changes only the value type parameter.

src/result.ts:498

* Maps the Some value using a sync or async function.

src/option-async.ts:183

* Maps the Some value, returning a default if None.

src/option-async.ts:198

MethodmapOrElse

* Maps the Some value, computing a default if None.

src/option-async.ts:209

* On Ok, map_err is a no-op that changes only the error type parameter. * We construct a new ResultOk with the same value but updated type parame

src/result.ts:340

(fn: (arg: E) => U)

src/result.ts:510

* Returns the provided default (if `None`), or applies `fn` to the contained value.

src/option.ts:88

(_defaultVal: U, fn: (arg: T) => U)

src/option.ts:353

(defaultVal: U, _fn: (arg: T) => U)

src/option.ts:539

(_d: U, f: (arg: T) => U)

src/result.ts:328

(d: U, _f: (arg: T) => U)

src/result.ts:502

Methodmap_or_else

(_d: (e: E) => U, f: (arg: T) => U)

src/result.ts:332

Methodmap_or_else

(d: (e: E) => U, _f: (arg: T) => U)

src/result.ts:506

* Pattern matches on the option, calling the appropriate handler.

src/option-async.ts:428

* Creates a successful ResultAsync containing the value.

src/result-async.ts:58

src/result.ts:315

src/result.ts:486

src/option.ts:451

src/option.ts:617

Methodok_or_else

(_err: () => E)

src/option.ts:455

Methodok_or_else

src/option.ts:621

* Returns `self` if `Some`, otherwise returns `opt`.

src/option.ts:118

* On Some, `or` returns self. * Returns this instance typed as Option<T | U> for type compatibility.

src/option.ts:375

(opt: Option<U>)

src/option.ts:562

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