I Built My Friend a Mock Interviewer That Read His Rust Code

Описание и применение

grill—это локальный инструмент, который сканирует репозитории, выделяет критические участки кода и задаёт вопросы, основанные на них, помогая кандидату подготовиться к реальным интервью.

Задача

Interview prep tools ask generic textbook questions, but real senior interviews focus on a candidate’s own code and probe specific lines.

Результат

grill identified 116 interview‑worthy spots across four repositories, including a Mutex‑protected Arc in miccli’s audio callback, and conducted a mock interview with targeted questions and grading.

Рабочий процесс

• Clone candidate’s repositories
• Scan code for patterns (unsafe, locks, lifetimes, async callbacks, etc.)
• Present a code snippet and ask a question about it
• Candidate answers
• Model generates a follow‑up question
• Model grades the exchange and records missed points
• Store weak‑spot map for next session

Доказательства

grill is a mock technical interviewer that has read your code.

Источник

It runs in a terminal, on an open model, on your own laptop.

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Reads his repositories and finds the lines worth a question: unsafe blocks, locks, lifetimes, spawned tasks, useEffect, forEach(async ...), any, empty catch.

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Interviews him on them. One question about that exact code, one follow‑up that presses on the weakest part of his answer, then a grade from 0 to 4 with what he missed.

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Remembers what he got wrong. The next session draws more from his worst topics.

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116 spots, and the top one is in miccli, his voice dictation CLI: an Arc<Mutex<...>> shared with a real‑time audio callback.

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The open pieces: Gemma, served by Ollama on localhost; Mastra, the open‑source TypeScript agent framework.

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