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Add in better error reporting.

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This commit is contained in:
Tom Alexander 2023-04-21 20:59:16 -04:00
parent 6e406d71b6
commit 38cd62af33
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 2 additions and 2 deletions
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src/parser/sexp.rs
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@ -36,14 +36,14 @@ impl<'s> Token<'s> {
pub fn as_list<'p>(&'p self) -> Result<&'p Vec<Token<'s>>, Box<dyn std::error::Error>> { pub fn as_list<'p>(&'p self) -> Result<&'p Vec<Token<'s>>, Box<dyn std::error::Error>> {
Ok(match self { Ok(match self {
Token::List(children) => Ok(children), Token::List(children) => Ok(children),
_ => Err("wrong token type"), _ => Err(format!("wrong token type {:?}", self)),
}?) }?)
} }
pub fn as_atom<'p>(&'p self) -> Result<&'s str, Box<dyn std::error::Error>> { pub fn as_atom<'p>(&'p self) -> Result<&'s str, Box<dyn std::error::Error>> {
Ok(match self { Ok(match self {
Token::Atom(body) => Ok(*body), Token::Atom(body) => Ok(*body),
_ => Err("wrong token type"), _ => Err(format!("wrong token type {:?}", self)),
}?) }?)
} }