public DiaryTrieNode SetChildCharacter(char character, string source)
{
var child = GetChild(character);
if (child == null)
{
child = new DiaryTrieNode(character, Depth + 1);
Children.Add(child);
}
child?.AddSource(source);
return(child);
}
public DiaryTrie()
{
_root = new DiaryTrieNode('.', 0);
}