added simple history support
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@ -15,6 +15,8 @@ pub fn repl(ast_print: bool) {
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match rl.readline(if partial.is_some() { ">> " } else { ":: " }) {
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Ok(readline) => {
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let readline = readline.trim_end();
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rl.add_history_entry(readline);
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let partial_data = match partial {
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Some(line) => line + &readline,
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None => readline.to_owned(),
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