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Rustbeginnerbackend

Structured Logging System

Structured logging library in Rust with levels, runtime filtering, JSON/text output, and multiple sinks.

5 steps
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Project steps

  1. 01

    Log trait

    Defines Log trait with debug/info/warn/error methods.

  2. 02

    Structured fields

    Log! macro that accepts key=value pairs and serializes them with serde_json.

  3. 03

    Level filtering

    Env var LOG_LEVEL controls the minimum level at runtime.

  4. 04

    Multiple sinks

    Stdout sink (colored text) and file sink (JSON append).

  5. 05

    Benchmark

    Criterion benchmark: compares with println! and env_logger.

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5 steps

Tech stack

Rustserdeserde_jsonchrono