effect-ts-laws/src/laws/typeclass/build.d.ts

effect-ts law testing using fast-check.

import type { Kind, TypeLambda } from 'effect/HKT';
import { LawSet } from '../../law.js';
import type { Concrete, ConcreteClass } from './concrete/catalog.js';
import type { Parameterized, ParameterizedClass } from './parameterized/catalog.js';
import type { GivenConcerns } from './parameterized/given.js';
/**
 * Union of all typeclass names.
 * @category model
 */
export type Typeclass = ParameterizedClass | ConcreteClass;
/**
 * Some subset of all typeclass instances implemented for a single data
 * type. Can include both typeclasses for _parameterized_ and _concrete_
 * types.
 *
 * The keys in this object are the typeclass names, and the values are
 * the instances under test, where each value is the instance of the
 * typeclass for the corresponding key, and all are instances of their
 * typeclasses for the single data type under test.
 * @category harness
 */
export type TypeclassInstances<F extends TypeLambda, A, R = never, O = unknown, E = unknown> = Partial<Concrete<Kind<F, R, O, E, A>> & Parameterized<F>>;
/**
 * Build typeclass laws for the given instances of some datatype.
 * Any instances of typeclasses with laws can be tested, concrete or
 * parameterized.
 * @category harness
 */
export declare const buildTypeclassLawsFor: <F extends TypeLambda, Ins extends TypeclassInstances<F, A, R, O, E>, A, B = A, C = A, R = never, O = unknown, E = unknown>(instances: Ins, given: GivenConcerns<F, A, B, C, R, O, E>) => LawSet[];
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