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veffect

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powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha

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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 type { TypeLambda } from "./HKT.js"; import * as order from "./Order.js"; /** * @category type lambdas * @since 2.0.0 */ export interface TupleTypeLambda extends TypeLambda { readonly type: [this["Out1"], this["Target"]]; } /** * Constructs a new tuple from the provided values. * * @param elements - The list of elements to create the tuple from. * * @example * import { make } from "effect/Tuple" * * assert.deepStrictEqual(make(1, 'hello', true), [1, 'hello', true]) * * @category constructors * @since 2.0.0 */ export declare const make: <A extends readonly any[]>(...elements: A) => A; /** * Return the first element of a tuple. * * @param self - A tuple of length `2`. * * @example * import { getFirst } from "effect/Tuple" * * assert.deepStrictEqual(getFirst(["hello", 42]), "hello") * * @category getters * @since 2.0.0 */ export declare const getFirst: <L, R>(self: readonly [L, R]) => L; /** * Return the second element of a tuple. * * @param self - A tuple of length `2`. * * @example * import { getSecond } from "effect/Tuple" * * assert.deepStrictEqual(getSecond(["hello", 42]), 42) * * @category getters * @since 2.0.0 */ export declare const getSecond: <L, R>(self: readonly [L, R]) => R; /** * Transforms both elements of a tuple using the given functions. * * @param self - A tuple of length `2`. * @param f - The function to transform the first element of the tuple. * @param g - The function to transform the second element of the tuple. * * @example * 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 declare const mapBoth: { <L1, L2, R1, R2>(options: { readonly onFirst: (e: L1) => L2; readonly onSecond: (a: R1) => R2; }): (self: readonly [L1, R1]) => [L2, R2]; <L1, R1, L2, R2>(self: readonly [L1, R1], options: { readonly onFirst: (e: L1) => L2; readonly onSecond: (a: R1) => R2; }): [L2, R2]; }; /** * Transforms the first component of a tuple using a given function. * * @param self - A tuple of length `2`. * @param f - The function to transform the first element of the tuple. * * @example * import { mapFirst } from "effect/Tuple" * * assert.deepStrictEqual( * mapFirst(["hello", 42], s => s.toUpperCase()), * ["HELLO", 42] * ) * * @category mapping * @since 2.0.0 */ export declare const mapFirst: { <L1, L2>(f: (left: L1) => L2): <R>(self: readonly [L1, R]) => [L2, R]; <L1, R, L2>(self: readonly [L1, R], f: (left: L1) => L2): [L2, R]; }; /** * Transforms the second component of a tuple using a given function. * * @param self - A tuple of length `2`. * @param f - The function to transform the second element of the tuple. * * @example * import { mapSecond } from "effect/Tuple" * * assert.deepStrictEqual( * mapSecond(["hello", 42], n => n.toString()), * ["hello", "42"] * ) * * @category mapping * @since 2.0.0 */ export declare const mapSecond: { <R1, R2>(f: (right: R1) => R2): <L>(self: readonly [L, R1]) => [L, R2]; <L, R1, R2>(self: readonly [L, R1], f: (right: R1) => R2): [L, R2]; }; /** * Swaps the two elements of a tuple. * * @param self - A tuple of length `2`. * * @example * import { swap } from "effect/Tuple" * * assert.deepStrictEqual(swap(["hello", 42]), [42, "hello"]) * * @since 2.0.0 */ export declare const swap: <L, R>(self: readonly [L, R]) => [R, L]; /** * 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 declare const getEquivalence: <T extends ReadonlyArray<Equivalence.Equivalence<any>>>(...isEquivalents: T) => Equivalence.Equivalence<Readonly<{ [I in keyof T]: [T[I]] extends [Equivalence.Equivalence<infer A>] ? A : never; }>>; /** * 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 declare const getOrder: <T extends ReadonlyArray<order.Order<any>>>(...elements: T) => order.Order<{ [I in keyof T]: [T[I]] extends [order.Order<infer A>] ? A : never; }>; /** * Appends an element to the end of a tuple. * * @category concatenating * @since 2.0.0 */ export declare const appendElement: { <B>(that: B): <A extends ReadonlyArray<unknown>>(self: A) => [...A, B]; <A extends ReadonlyArray<unknown>, B>(self: A, that: B): [...A, B]; }; //# sourceMappingURL=Tuple.d.ts.map