static IEnumerable <string> ByPrefix(WordsStartingWith query, InMemoryListProvider <string> inMemoryListProvider)
{
return(inMemoryListProvider.List.Where(x => x.StartsWith(query.Prefix)));
}
static Total TotalByLength(TotalWordsForGivenLength query, InMemoryListProvider <string> inMemoryListProvider)
{
return(new Total(ByLength(new WordsOfGivenLength {
Length = query.Length
}, inMemoryListProvider).Count()));
}
static IEnumerable <string> ByLength(WordsOfGivenLength query, InMemoryListProvider <string> inMemoryListProvider)
{
return(inMemoryListProvider.List.Where(x => x.Length == query.Length));
}
