fix: declare that of returns arrays of length 1

Author: levino

dtslint/ts3.5/Array.ts

@@ -9,6 +9,8 @@ declare const ns: Array<number>
 declare const ss: Array<string>
 declare const tns: Array<[number, string]>
 
+pipe(_.of('b'), ([value]: [string]) => value)
+
 // prepend
 
 pipe(ss, _.prepend('a')) // $ExpectType NonEmptyArray<string>

package-lock.json

@@ -1508,7 +1508,7 @@ const _chainRecBreadthFirst: ChainRec1<URI>['chainRec'] = RA._chainRecBreadthFir
  * @category constructors
  * @since 2.0.0
  */
-export const of: <A>(a: A) => Array<A> = NEA.of
+export const of: <A>(a: A) => [A] = NEA.of
 
 /**
  * Makes an empty `Array`, useful for building a [`Monoid`](#Monoid)