"The Cast Is Free"
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
A type cast forcing a large value into a smaller type has a side effect — truncation, bytes dropped — and treating it as harmless turns a known mechanism into a silent bug.
Show
A total squeezed into a smaller slot arrives smaller, unannounced.
Watch for
The compiler permitted what someone signed for.