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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@celo/contractkit/node_modules/fp-ts/lib
Просмотр файла: Random.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @file Adapted from https://github.com/purescript/purescript-random
*/
var IO_1 = require("./IO");
/**
* Returns a random number between 0 (inclusive) and 1 (exclusive). This is a direct wrapper around JavaScript's
* `Math.random()`.
*
* @since 2.0.0
*/
exports.random = function () { return Math.random(); };
/**
* Takes a range specified by `low` (the first argument) and `high` (the second), and returns a random integer uniformly
* distributed in the closed interval `[low, high]`. It is unspecified what happens if `low > high`, or if either of
* `low` or `high` is not an integer.
*
* @since 2.0.0
*/
function randomInt(low, high) {
return IO_1.io.map(exports.random, function (n) { return Math.floor((high - low + 1) * n + low); });
}
exports.randomInt = randomInt;
/**
* Returns a random number between a minimum value (inclusive) and a maximum value (exclusive). It is unspecified what
* happens if `maximum < minimum`.
*
* @since 2.0.0
*/
function randomRange(min, max) {
return IO_1.io.map(exports.random, function (n) { return (max - min) * n + min; });
}
exports.randomRange = randomRange;
/**
* Returns a random boolean value with an equal chance of being `true` or `false`
*
* @since 2.0.0
*/
exports.randomBool = IO_1.io.map(exports.random, function (n) { return n < 0.5; });
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