Swap Either type params (#2102)

Co-authored-by: Maxwell Brown <maxwellbrown1990@gmail.com>

Author: mikearnaldi

.changeset/olive-pants-sparkle.md

@@ -0,0 +1,17 @@
+---
+"@effect/platform-node-shared": minor
+"@effect/typeclass": minor
+"effect": minor
+"@effect/schema": minor
+"@effect/cli": minor
+---
+
+Swap type params of Either from `Either<E, A>` to `Either<R, L = never>`.
+
+Along the same line of the other changes this allows to shorten the most common types such as:
+
+```ts
+import { Either } from "effect";
+
+const right: Either.Either<string> = Either.right("ok");
+```

packages/cli/src/Options.ts

@@ -419,8 +419,8 @@ export const orElse: {
  * @category combinators
  */
 export const orElseEither: {
-  <A>(that: Options<A>): <B>(self: Options<B>) => Options<Either<B, A>>
-  <A, B>(self: Options<A>, that: Options<B>): Options<Either<B, A>>
+  <A>(that: Options<A>): <B>(self: Options<B>) => Options<Either<A, B>>
+  <A, B>(self: Options<A>, that: Options<B>): Options<Either<A, B>>
 } = InternalOptions.orElseEither
 
 /**