const coercedString = z.preprocess(
  val => String(val),
  z.string()
)
mySchema.parse(12); // => "12"
mySchema.parse(true); // => "true"

const cuid = z.string().cuid()
cuid.parse("ckopqwooh000001la8mbi2im9");

const mySchema = z.object({
  name: z.string(),
  array: z.array(z.object({ asdf: z.string() })),
  tuple: z.tuple([
    z.object({ value: z.string() })
  ]),
}) 

const partialed = mySchema.deepPartial();
type partialed = z.infer<typeof partialed>;
/*
  {
    name?: string | undefined;
    array?: {
        asdf?: string | undefined;
    }[] | undefined;
    tuple?: [{value?: string}] | undefined;
  }
*/