fix issue with const type parameter

src/async/all.ts

@@ -15,7 +15,11 @@ import { AggregateError, isArray } from 'radashi'
  * ```
  * @version 12.1.0
  */
-export async function all<const T extends readonly unknown[]>(
+export async function all<T extends readonly [unknown, ...unknown[]]>(
+  input: T,
+): Promise<{ -readonly [I in keyof T]: Awaited<T[I]> }>
+
+export async function all<T extends readonly unknown[]>(
   input: T,
 ): Promise<{ -readonly [I in keyof T]: Awaited<T[I]> }>
 

tests/async/all.test-d.ts

@@ -21,6 +21,12 @@ describe('all', () => {
     expectTypeOf(result).toEqualTypeOf<[1, 2, 3]>()
   })
 
+  test('readonly array input with nested object', async () => {
+    const result = await all([{ a: 1 }, Promise.resolve({ b: 2 })])
+
+    expectTypeOf(result).toEqualTypeOf<[{ a: number }, { b: number }]>()
+  })
+
   test('readonly object input of promises, promise-like objects, and non-promises', async () => {
     const result = await all({
       a: Promise.resolve(1 as const),