public bool Equals(Token other)
{
if (other == null)
return false;
return TokenType == other.TokenType && TextValue == other.TextValue;
}
public static Token[] MatchPairTokens(Token[] tokens)
{
var matchedTokens = (Token[])tokens.Clone();
MatchPairTokens(matchedTokens, 0, matchedTokens.Length - 1);
return matchedTokens;
}