Function generateTestUtils

article/utils.ts:603–612

(typecheck: (code: any) => Type)

// deno-lint-ignore no-explicit-any
export function generateTestUtils(typecheck: (code: any) => Type) {
  return {
    ok: (expected: string, code: string) => {
      assertEquals(expected, typeShow(typecheck(code)));
    },
    ng: (expected: string, code: string) => {
      assertThrows(() => typecheck(code), Error, expected);
    },
  };
}