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In case operators require use of a variable, we should let the caller
provide the symbol so we don't fall into weird package issues.
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Found that I sometimes did a misinput which lead to losing a critical
card - implemented a function which asks for confirmation (with a
print out of the cards that will be redealt) before doing the redeal.
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We've now got one of the major stages of the game down.
I think it's worth investing in some testing functions now - we've
reached just the level of complexity.
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Like REPL stands for Read -> Evaluate -> Print -> Loop, here we
implement a similar loop which reads a set of indices for cards to
remove from the user, redeals those cards then loops back.
This keeps happening until either:
- the user does not want to redeal (empty input)
- there aren't enough cards for a redeal
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Due to the way random works, we need to see it on each run of the
binary - thus need to make a new random state.
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A player may:
- not redeal any cards
- redeal all their cards
Therefore the indices must be between 0,5 and there can be at most 5
inputs.
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Currently can deal some hands and redeal some cards.
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