public async Task <ActionResult <string> > GetPermutationsAsync([FromQuery] string w)
{
if (w is null)
{
return(BadRequest());
}
AnagramChecker anagramChecker = new AnagramChecker();
IEnumerable <string> anagrams = await anagramChecker.GetPermutationsAsync(w);
if (anagrams.Count() == 0)
{
return(NotFound());
}
else
{
return(Ok(anagrams));
}
}