Docs / API / Core / Bigint

BigInt

asIntN

RESCRIPT

let asIntN: (~width: int, bigint) => bigint

asUintN

RESCRIPT

let asUintN: (~width: int, bigint) => bigint

fromString

RESCRIPT

let fromString: string => bigint

fromStringExn

RESCRIPT

let fromStringExn: string => bigint

Parses the given string into a bigint using JavaScript semantics. Return the number as a bigint if successfully parsed. Uncaught syntax exception otherwise.

Examples

RESCRIPT
/* returns 123n */
BigInt.fromStringExn("123")

/* returns 0n */
BigInt.fromStringExn("")

/* returns 17n */
BigInt.fromStringExn("0x11")

/* returns 3n */
BigInt.fromStringExn("0b11")

/* returns 9n */
BigInt.fromStringExn("0o11")

/* catch exception */
try {
  BigInt.fromStringExn("a")
} catch {
| Exn.Error(_error) => 0n
}

fromInt

RESCRIPT

let fromInt: int => bigint

fromFloat

RESCRIPT

let fromFloat: float => bigint

toString

RESCRIPT

let toString: (bigint, ~radix: int=?) => string

Formats a bigint as a string. Return a string representing the given value. See toString on MDN.

Examples

RESCRIPT
/* prints "123" */
Js.BigInt.toString(123n)->Js.log

toStringWithRadix

Deprecated

Use toString with ~radix instead

RESCRIPT

let toStringWithRadix: (bigint, ~radix: int) => string

toLocaleString

RESCRIPT

let toLocaleString: bigint => string

Returns a string with a language-sensitive representation of this BigInt value.

Examples

RESCRIPT
/* prints "123" */
Js.BigInt.toString(123n)->Js.log

toFloat

RESCRIPT

let toFloat: bigint => float

toInt

RESCRIPT

let toInt: bigint => int

+

RESCRIPT

let +: (bigint, bigint) => bigint

-

RESCRIPT

let -: (bigint, bigint) => bigint

*

RESCRIPT

let *: (bigint, bigint) => bigint

/

RESCRIPT

let /: (bigint, bigint) => bigint

~-

RESCRIPT

let ~-: bigint => bigint

~+

RESCRIPT

let ~+: bigint => bigint

**

RESCRIPT

let **: (bigint, bigint) => bigint

add

RESCRIPT

let add: (bigint, bigint) => bigint

sub

RESCRIPT

let sub: (bigint, bigint) => bigint

mul

RESCRIPT

let mul: (bigint, bigint) => bigint

div

RESCRIPT

let div: (bigint, bigint) => bigint

mod

RESCRIPT

let mod: (bigint, bigint) => bigint

land

RESCRIPT

let land: (bigint, bigint) => bigint

lor

RESCRIPT

let lor: (bigint, bigint) => bigint

lxor

RESCRIPT

let lxor: (bigint, bigint) => bigint

lsl

RESCRIPT

let lsl: (bigint, bigint) => bigint

asr

RESCRIPT

let asr: (bigint, bigint) => bigint

lnot

RESCRIPT

let lnot: bigint => bigint