DATA-STRUCTURES-BASICS5 MIN READ
Ask for the SLA before the structure
Ask access-pattern questions that reveal the right data-structure contract.
Ren R Feature engineer 01 Promise 02 Operation 03 Trade-off Design review 30 sec Scenario Ren proposes storing active sessions in a list. The API must validate a token on almost every request. A polite access-pattern question can prevent a production scan. Framework 1 min ADT contract Promise -> Operation -> Structure
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