Method code for $root.eval()

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---

arg code, @dest;
var errors, result, method;

dest = dest ? dest[1] : this();
if (!(sender() in [$scheduler, $root]))
    (> .perms(sender()) <);

// Compile the code.
method = tosym("tmp_eval_" + tostr(time()));
errors = .add_method(code, method);
if (errors)
    return ['errors, errors, 0, 0];

// Evaluate the expression.  Be sure to remove it afterwards, so that no
// one else can call it.
catch any {
    result = (> dest.(method)() <);
} with {
    (| del_method(method) |);
    rethrow(error());
}
(| del_method(method) |);
return ['result, result];

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// Created as a part of ColdCore, see: @help Credit