/// <summary>
/// Constructor accepting an outer <see cref="Env"/> with binds and expressions.
/// </summary>
/// <param name="outer"><see cref="Env"/></param>
/// <param name="binds"><see cref="OpenLispList"/></param>
/// <param name="expressions"><see cref="OpenLispList"/></param>
public Env(Env outer, OpenLispList binds, OpenLispList expressions)
{
_outer = outer;
for (int i = 0; i < binds.Size; i++)
{
string symbol = ((OpenLispSymbol)binds.Nth(i)).Value;
if (symbol == "&")
{
_data[((OpenLispSymbol)binds.Nth(i + 1)).Value] = expressions.Slice(i);
break;
}
_data[symbol] = expressions.Nth(i);
}
}
