More unmatched

Transcript

The comic has C++ code.

int
tokenizer::valid (string const& statement
{
	int level = 0;
	for (int i = 0; i < statement.size ( ; ++i
	{
		if (statement[i  == '(') level++;
		else if (statement[i] == ')'  level--;
		if (level < 0) return level;
	return level;
}

Caption: (An unmatched left parenthesis creates an unresolved tension that will stay with you all day.

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