view core/src/luan/impl/ExpressionsExpr.java @ 659:f1150518c467

remove tail recursion
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 05 Apr 2016 20:30:42 -0600
parents 859c0dedc8b6
children
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package luan.impl;

import java.util.List;
import luan.Luan;
import luan.LuanException;


final class ExpressionsExpr implements Expr {
	private final Expressions expressions;

	ExpressionsExpr(Expressions expressions) {
		if( expressions==null )
			throw new NullPointerException();
		this.expressions = expressions;
	}

	@Override public Object eval(LuanStateImpl luan) throws LuanException {
		return Luan.first( expressions.eval(luan) );
	}

}