Docs / API / Js / Promise

Promise

Deprecation note: These bindings are pretty outdated and cannot be used properly with the -> operator.

More details on proper Promise usage can be found here: https://rescript-lang.org/docs/manual/latest/promise#promise-legacy

t

RESCRIPT

type t<'a> = promise<'a>

error

RESCRIPT

type error = Js_promise2.error

make

RESCRIPT

let make: (
  (~resolve: 'a => unit, ~reject: exn => unit) => unit,
) => promise<'a>

resolve

RESCRIPT

let resolve: 'a => promise<'a>

reject

RESCRIPT

let reject: exn => promise<'a>

all

RESCRIPT

let all: array<promise<'a>> => promise<array<'a>>

all2

RESCRIPT

let all2: ((promise<'a0>, promise<'a1>)) => promise<('a0, 'a1)>

all3

RESCRIPT

let all3: (
  (promise<'a0>, promise<'a1>, promise<'a2>),
) => promise<('a0, 'a1, 'a2)>

all4

RESCRIPT

let all4: (
  (promise<'a0>, promise<'a1>, promise<'a2>, promise<'a3>),
) => promise<('a0, 'a1, 'a2, 'a3)>

all5

RESCRIPT

let all5: (
  (
    promise<'a0>,
    promise<'a1>,
    promise<'a2>,
    promise<'a3>,
    promise<'a4>,
  ),
) => promise<('a0, 'a1, 'a2, 'a3, 'a4)>

all6

RESCRIPT

let all6: (
  (
    promise<'a0>,
    promise<'a1>,
    promise<'a2>,
    promise<'a3>,
    promise<'a4>,
    promise<'a5>,
  ),
) => promise<('a0, 'a1, 'a2, 'a3, 'a4, 'a5)>

race

RESCRIPT

let race: array<promise<'a>> => promise<'a>

then_

RESCRIPT

let then_: ('a => promise<'b>, promise<'a>) => promise<'b>

catch

RESCRIPT

let catch: (error => promise<'a>, promise<'a>) => promise<'a>

unsafe_async

RESCRIPT

let unsafe_async: 'a => promise<'a>

unsafe_await

RESCRIPT

let unsafe_await: promise<'a> => 'a