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/**
* This module provides utility functions for working with tuples in TypeScript.
*
* @since 2.0.0
*/
import * as Equivalence from "./Equivalence.js";
import { dual } from "./Function.js";
import * as order from "./Order.js";
/**
* Constructs a new tuple from the provided values.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { make } from "effect/Tuple"
*
* assert.deepStrictEqual(make(1, 'hello', true), [1, 'hello', true])
* ```
*
* @category constructors
* @since 2.0.0
*/
export const make = (...elements) => elements;
/**
* Return the first element of a tuple.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { getFirst } from "effect/Tuple"
*
* assert.deepStrictEqual(getFirst(["hello", 42]), "hello")
* ```
*
* @category getters
* @since 2.0.0
*/
export const getFirst = self => self[0];
/**
* Return the second element of a tuple.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { getSecond } from "effect/Tuple"
*
* assert.deepStrictEqual(getSecond(["hello", 42]), 42)
* ```
*
* @category getters
* @since 2.0.0
*/
export const getSecond = self => self[1];
/**
* Transforms each element of tuple using the given function, treating tuple homomorphically
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { pipe, Tuple } from "effect"
*
* const result = pipe(
* ["a", 1, false] as const,
* Tuple.map((el) => el.toString().toUpperCase())
* )
* assert.deepStrictEqual(result, ['A', '1', 'FALSE'])
* ```
*
* @category mapping
* @since 3.9.0
*/
export const map = /*#__PURE__*/dual(2, (self, fn) => self.map(element => fn(element)));
/**
* Transforms both elements of a tuple using the given functions.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { mapBoth } from "effect/Tuple"
*
* assert.deepStrictEqual(
* mapBoth(["hello", 42], { onFirst: s => s.toUpperCase(), onSecond: n => n.toString() }),
* ["HELLO", "42"]
* )
* ```
*
* @category mapping
* @since 2.0.0
*/
export const mapBoth = /*#__PURE__*/dual(2, (self, {
onFirst,
onSecond
}) => [onFirst(self[0]), onSecond(self[1])]);
/**
* Transforms the first component of a tuple using a given function.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { mapFirst } from "effect/Tuple"
*
* assert.deepStrictEqual(
* mapFirst(["hello", 42], s => s.toUpperCase()),
* ["HELLO", 42]
* )
* ```
*
* @category mapping
* @since 2.0.0
*/
export const mapFirst = /*#__PURE__*/dual(2, (self, f) => [f(self[0]), self[1]]);
/**
* Transforms the second component of a tuple using a given function.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { mapSecond } from "effect/Tuple"
*
* assert.deepStrictEqual(
* mapSecond(["hello", 42], n => n.toString()),
* ["hello", "42"]
* )
* ```
*
* @category mapping
* @since 2.0.0
*/
export const mapSecond = /*#__PURE__*/dual(2, (self, f) => [self[0], f(self[1])]);
/**
* Swaps the two elements of a tuple.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { swap } from "effect/Tuple"
*
* assert.deepStrictEqual(swap(["hello", 42]), [42, "hello"])
* ```
*
* @since 2.0.0
*/
export const swap = self => [self[1], self[0]];
/**
* Given a tuple of `Equivalence`s returns a new `Equivalence` that compares values of a tuple
* by applying each `Equivalence` to the corresponding element of the tuple.
*
* @category combinators
* @since 2.0.0
*/
export const getEquivalence = Equivalence.tuple;
/**
* This function creates and returns a new `Order` for a tuple of values based on the given `Order`s for each element in the tuple.
* The returned `Order` compares two tuples of the same type by applying the corresponding `Order` to each element in the tuple.
* It is useful when you need to compare two tuples of the same type and you have a specific way of comparing each element
* of the tuple.
*
* @category combinators
* @since 2.0.0
*/
export const getOrder = order.tuple;
/**
* Appends an element to the end of a tuple.
*
* @category concatenating
* @since 2.0.0
*/
export const appendElement = /*#__PURE__*/dual(2, (self, that) => [...self, that]);
/**
* Retrieves the element at a specified index from a tuple.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { Tuple } from "effect"
*
* assert.deepStrictEqual(Tuple.at([1, 'hello', true], 1), 'hello')
* ```
*
* @category getters
* @since 3.4.0
*/
export const at = /*#__PURE__*/dual(2, (self, index) => self[index]);
export {
/**
* Determine if an `Array` is a tuple with exactly `N` elements, narrowing down the type to `TupleOf`.
*
* An `Array` is considered to be a `TupleOf` if its length is exactly `N`.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { isTupleOf } from "effect/Tuple"
*
* assert.deepStrictEqual(isTupleOf([1, 2, 3], 3), true);
* assert.deepStrictEqual(isTupleOf([1, 2, 3], 2), false);
* assert.deepStrictEqual(isTupleOf([1, 2, 3], 4), false);
*
* const arr: number[] = [1, 2, 3];
* if (isTupleOf(arr, 3)) {
* console.log(arr);
* // ^? [number, number, number]
* }
*
* ```
* @category guards
* @since 3.3.0
*/
isTupleOf,
/**
* Determine if an `Array` is a tuple with at least `N` elements, narrowing down the type to `TupleOfAtLeast`.
*
* An `Array` is considered to be a `TupleOfAtLeast` if its length is at least `N`.
*
* @example
* ```ts
* import * as assert from "node:assert"
* import { isTupleOfAtLeast } from "effect/Tuple"
*
* assert.deepStrictEqual(isTupleOfAtLeast([1, 2, 3], 3), true);
* assert.deepStrictEqual(isTupleOfAtLeast([1, 2, 3], 2), true);
* assert.deepStrictEqual(isTupleOfAtLeast([1, 2, 3], 4), false);
*
* const arr: number[] = [1, 2, 3, 4];
* if (isTupleOfAtLeast(arr, 3)) {
* console.log(arr);
* // ^? [number, number, number, ...number[]]
* }
*
* ```
* @category guards
* @since 3.3.0
*/
isTupleOfAtLeast } from "./Predicate.js";
//# sourceMappingURL=Tuple.js.map