Lesson 03 · 14 min
SOLID, part 2: L, I, D
Subtypes that don't break expectations, narrow interfaces and depending on abstractions.
14 minLesson 3 of 5Practice includedAsk AI on any point
The last three letters of SOLID are about how parts of a system agree with each other: what a type promises, how much it demands and who depends on whom.
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