1/ Ruby / Rails is doing something VERY weird I have ActionMailer send some msgs. In devel / test, they should be delivered into an array
3/ There's some optimization going on that only runs code if the value is being used. ...but it's ignoring necessary "side effects" !!!
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4/ ...but it turns out that if I assign the return value into some other variable (even if I never display it), the func still gets invoked
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5/ This is black magic, Ruby. No es bueno.
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