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Week 3: Package Architecture

Design maintainable Go systems around clear package and dependency boundaries

Day 11: Package-Oriented Design & Project Structure

Learn idiomatic package boundaries, internal packages, dependency direction, module layout, and import-cycle prevention.

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Day 12: Standard Library I/O Mastery

Compose streaming systems with io.Reader, io.Writer, buffering, copy helpers, and production-grade error handling.

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Day 13: High-Performance Data Ingestion

Build a streaming validation engine with bounded concurrency, backpressure, efficient parsing, and reliable error handling.

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Day 14: Core Ledger Parser Deliverable

Apply architecture, parsing, memory alignment, validation, and testing skills in the Phase 1 deliverable.

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Day 15: Audit Report & Zero-Alloc Review

Finish the ledger parser with audit reporting, benchmarks, allocation analysis, and performance review.

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