to_repl() doesn't need symbol table handle
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@ -69,12 +69,12 @@ fn paren_wrapped_vec(terms: impl Iterator<Item=String>) -> String {
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impl Node {
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fn to_repl(&self, symbol_table: &SymbolTable) -> String {
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fn to_repl(&self) -> String {
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match self {
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Node::Expr(e) => e.to_repl(symbol_table),
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Node::Expr(e) => e.to_repl(),
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Node::PrimObject { name, items, .. } if items.len() == 0 => format!("{}", name),
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Node::PrimObject { name, items, .. } => format!("{}{}", name, paren_wrapped_vec(items.iter().map(|x| x.to_repl(symbol_table)))),
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Node::PrimTuple { items } => format!("{}", paren_wrapped_vec(items.iter().map(|x| x.to_repl(symbol_table)))),
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Node::PrimObject { name, items, .. } => format!("{}{}", name, paren_wrapped_vec(items.iter().map(|x| x.to_repl()))),
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Node::PrimTuple { items } => format!("{}", paren_wrapped_vec(items.iter().map(|x| x.to_repl()))),
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}
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}
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fn is_true(&self) -> bool {
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@ -99,12 +99,10 @@ impl Expr {
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fn to_node(self) -> Node {
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Node::Expr(self)
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}
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fn to_repl(&self, symbol_table: &SymbolTable) -> String {
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fn to_repl(&self) -> String {
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use self::Lit::*;
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use self::Func::*;
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let _ = symbol_table;
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match self {
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Expr::Lit(ref l) => match l {
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Nat(n) => format!("{}", n),
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@ -121,7 +119,7 @@ impl Expr {
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Expr::Constructor { type_name, arity, .. } => {
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format!("<constructor for `{}` arity {}>", type_name, arity)
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},
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Expr::Tuple(exprs) => paren_wrapped_vec(exprs.iter().map(|x| x.to_repl(symbol_table))),
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Expr::Tuple(exprs) => paren_wrapped_vec(exprs.iter().map(|x| x.to_repl())),
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_ => format!("{:?}", self),
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}
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}
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@ -156,8 +154,7 @@ impl<'a> State<'a> {
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for statement in ast.0 {
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match self.statement(statement) {
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Ok(Some(ref output)) if repl => {
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let ref symbol_table = self.symbol_table_handle.borrow();
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acc.push(Ok(output.to_repl(symbol_table)))
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acc.push(Ok(output.to_repl()))
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},
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Ok(_) => (),
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Err(error) => {
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@ -342,13 +339,11 @@ impl<'a> State<'a> {
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/* builtin functions */
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(IOPrint, &[ref anything]) => {
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let ref symbol_table = self.symbol_table_handle.borrow();
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print!("{}", anything.to_repl(symbol_table));
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print!("{}", anything.to_repl());
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Expr::Unit.to_node()
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},
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(IOPrintLn, &[ref anything]) => {
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let ref symbol_table = self.symbol_table_handle.borrow();
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println!("{}", anything.to_repl(symbol_table));
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println!("{}", anything.to_repl());
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Expr::Unit.to_node()
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},
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(IOGetLine, &[]) => {
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