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Death to Pennies

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Further reading 1

Does splitting code actually split its dependencies? →Start with a rule that sends an email. Separate deciding from doing, then inspect layers, objects and abstractions: which parts must still change together when the rule changes?This video helps answer · Does retiring a coin require changing every price label?

Caption notes

Grey distinguishes a small price increment from a physical coin used in settlement. Rounding a cash transaction can change how change is made without requiring the same rounding rule on each item in the basket.

Archived captions (transcription method unspecified) ↗
Original passages · 2
round to the nearest 5 cents for cash transactions
Death to Pennies · ▶ 3:05–3:08
automatically rounding to the nearest five cents.
Death to Pennies · ▶ 3:55–4:01

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