Change Symbol -> Word for token
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485e869c90
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@ -58,7 +58,7 @@ fn read(input: &str) -> Result<Vec<Sexp>, String> {
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enum Token {
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LParen,
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RParen,
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Symbol(String)
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Word(String)
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}
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#[derive(Debug)]
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@ -90,7 +90,7 @@ fn tokenize(input: &mut Peekable<Chars>) -> Vec<Token> {
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_ => true
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}
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}).collect();
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tokens.push(Symbol(format!("{}{}", c, sym)));
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tokens.push(Word(format!("{}{}", c, sym)));
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}
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}
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}
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@ -100,7 +100,7 @@ fn tokenize(input: &mut Peekable<Chars>) -> Vec<Token> {
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fn parse(tokens: &mut Peekable<IntoIter<Token>>) -> Result<Sexp, String> {
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use self::Token::*;
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match tokens.next() {
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Some(Symbol(s)) => Ok(Sexp::Atom(AtomT::Symbol(s))),
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Some(Word(s)) => Ok(Sexp::Atom(AtomT::Symbol(s))),
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Some(LParen) => parse_sexp(tokens),
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Some(RParen) => Err(format!("Unexpected ')'")),
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None => Err(format!("Unexpected end of input")),
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