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Improve error handling for Eat optional parameter

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Elnu 2023-05-24 09:30:04 -07:00
parent 247ce0ce98
commit 59f0f8258a
1 changed files with 7 additions and 2 deletions
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9
renrs/src/lib.rs
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@ -140,6 +140,11 @@ fn parse_file(file_path: PathBuf) -> Vec<Command> {
let token_lines = tokenize_file(file_path); let token_lines = tokenize_file(file_path);
let mut commands = Vec::new(); let mut commands = Vec::new();
for line in token_lines { for line in token_lines {
macro_rules! unknown {
() => {
panic!("Unknown command {}", describe_line(&line))
};
}
commands.push(match line.as_slice() { commands.push(match line.as_slice() {
[Str(text)] => Say { [Str(text)] => Say {
name: None, name: None,
@ -153,10 +158,10 @@ fn parse_file(file_path: PathBuf) -> Vec<Command> {
food: food.to_owned(), food: food.to_owned(),
politely: match tail { politely: match tail {
[Boolean(politely)] => *politely, [Boolean(politely)] => *politely,
_ => false, _ => unknown!(),
}, },
}, },
_ => panic!("Unknown command {}", describe_line(&line)), _ => unknown!(),
}); });
} }
commands commands