For the fourth row in Table 4.1: Pattern-matching cases, my impression is that it's trying to match the * pattern against the empty string. Right now, the text is a closing double quote followed by an opening double quote (rather than opening then closing), which I feel like might be a typo.
For the fourth row in Table 4.1: Pattern-matching cases, my impression is that it's trying to match the * pattern against the empty string. Right now, the text is a closing double quote followed by an opening double quote (rather than opening then closing), which I feel like might be a typo.