43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
import { Semigroup } from './Semigroup'
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/**
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* Return a semigroup which works like `Object.assign`.
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*
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* @example
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* import { getAssignSemigroup } from 'fp-ts/struct'
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*
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* interface Person {
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* readonly name: string
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* readonly age: number
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* }
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*
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* const S = getAssignSemigroup<Person>()
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* assert.deepStrictEqual(S.concat({ name: 'name', age: 23 }, { name: 'name', age: 24 }), { name: 'name', age: 24 })
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*
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* @category instances
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* @since 2.10.0
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*/
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export declare const getAssignSemigroup: <A extends object = never>() => Semigroup<A>
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/**
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* Creates a new object by recursively evolving a shallow copy of `a`, according to the `transformation` functions.
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*
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* @example
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* import { pipe } from 'fp-ts/function'
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* import { evolve } from 'fp-ts/struct'
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*
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* assert.deepStrictEqual(
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* pipe(
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* { a: 'a', b: 1 },
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* evolve({
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* a: (a) => a.length,
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* b: (b) => b * 2
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* })
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* ),
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* { a: 1, b: 2 }
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* )
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*
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* @since 2.11.0
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*/
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export declare const evolve: <A, F extends { [K in keyof A]: (a: A[K]) => unknown }>(
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transformations: F
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) => (a: A) => { [K_1 in keyof F]: ReturnType<F[K_1]> }
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