map

import { map } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/fn_either.ts";

Map over the right return value of a FnEither.

@example

import * as FE from "./fn_either.ts";
import { pipe } from "./fn.ts";

const result = pipe(
  FE.id<number>(),
  FE.map(n => n + 1),
)(0); // Right(1)

function map<A, I>(fai: (a: A) => I): <B = never, D = unknown>(ua: FnEither<D, B, A>) => FnEither<D, B, I>;

map<A, I>(fai: (a: A) => I): <B = never, D = unknown>(ua: FnEither<D, B, A>) => FnEither<D, B, I>

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§Type Parameters

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§Parameters

fai: (a: A) => I

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§Return Type

<B = never, D = unknown>(ua: FnEither<D, B, A>) => FnEither<D, B, I>

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