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1nF0rmed/postcard-learning.xml

Created October 28, 2024 05:34
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postcard: needed basics
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postcard-learning.xml
<?xml version="1.0" encoding="UTF-8"?>
<learning_hierarchy>
<metadata>
<title>Learning Path for Postcard Contribution</title>
<description>Comprehensive learning hierarchy for contributing to Postcard, a no_std serialization library</description>
<target_audience>Beginners in Embedded Systems and Rust</target_audience>
</metadata>
<learning_path>
<phase order="1" name="embedded_systems_fundamentals">
<topic name="Resource Constraints">
<concepts>
<concept name="Memory Management">
<subtopic>Stack vs Heap</subtopic>
<subtopic>Static Allocation</subtopic>
<subtopic>Memory Layout</subtopic>
<deep_concepts>
<item>Memory Sections (.text, .data, .bss)</item>
<item>Memory Alignment</item>
<item>Stack Usage Analysis</item>
</deep_concepts>
</concept>
<concept name="No-std Environment">
<subtopic>Limited Resources</subtopic>
<subtopic>Platform Independence</subtopic>
<subtopic>Core Library Usage</subtopic>
<deep_concepts>
<item>Standard Library Alternatives</item>
<item>Embedded-specific Types</item>
<item>Feature Flags</item>
</deep_concepts>
</concept>
</concepts>
</topic>
<topic name="Binary Formats">
<concepts>
<concept name="Data Representation">
<subtopic>Endianness</subtopic>
<subtopic>Alignment Requirements</subtopic>
<subtopic>Padding Strategies</subtopic>
<deep_concepts>
<item>Bit-level Operations</item>
<item>Data Packing</item>
<item>Size Optimization</item>
</deep_concepts>
</concept>
<concept name="Variable Encoding">
<subtopic>Varint Encoding</subtopic>
<subtopic>Length Prefixing</subtopic>
<subtopic>Type Tags</subtopic>
<deep_concepts>
<item>Compression Techniques</item>
<item>Protocol Overhead</item>
<item>Format Evolution</item>
</deep_concepts>
</concept>
</concepts>
</topic>
</phase>
<phase order="2" name="rust_programming">
<topic name="Core Rust">
<concepts>
<concept name="Type System">
<subtopic>Generic Programming</subtopic>
<subtopic>Trait System</subtopic>
<subtopic>Lifetimes</subtopic>
<deep_concepts>
<item>Associated Types</item>
<item>Bounds and Constraints</item>
<item>Type Parameters</item>
</deep_concepts>
</concept>
<concept name="Memory Safety">
<subtopic>Ownership Model</subtopic>
<subtopic>Borrowing Rules</subtopic>
<subtopic>Zero-Copy</subtopic>
<deep_concepts>
<item>Move Semantics</item>
<item>Reference Validation</item>
<item>Lifetime Elision</item>
</deep_concepts>
</concept>
</concepts>
</topic>
<topic name="Advanced Features">
<concepts>
<concept name="Macro System">
<subtopic>Procedural Macros</subtopic>
<subtopic>Attribute Macros</subtopic>
<subtopic>Derive Macros</subtopic>
<deep_concepts>
<item>Token Streams</item>
<item>Syntax Extensions</item>
<item>Code Generation</item>
</deep_concepts>
</concept>
<concept name="Error Handling">
<subtopic>Result Type</subtopic>
<subtopic>Custom Errors</subtopic>
<subtopic>Error Propagation</subtopic>
<deep_concepts>
<item>Error Types</item>
<item>Error Conversion</item>
<item>No-std Errors</item>
</deep_concepts>
</concept>
</concepts>
</topic>
</phase>
<phase order="3" name="serialization">
<topic name="Serde Framework">
<concepts>
<concept name="Serde Basics">
<subtopic>Serialization</subtopic>
<subtopic>Deserialization</subtopic>
<subtopic>Data Model</subtopic>
<deep_concepts>
<item>Visitor Pattern</item>
<item>Type Mapping</item>
<item>Custom Implementations</item>
</deep_concepts>
</concept>
<concept name="Custom Formats">
<subtopic>Format Traits</subtopic>
<subtopic>Serializer Implementation</subtopic>
<subtopic>Deserializer Implementation</subtopic>
<deep_concepts>
<item>State Machines</item>
<item>Buffer Management</item>
<item>Error Recovery</item>
</deep_concepts>
</concept>
</concepts>
</topic>
<topic name="Wire Format">
<concepts>
<concept name="Protocol Design">
<subtopic>Format Specification</subtopic>
<subtopic>Versioning</subtopic>
<subtopic>Compatibility</subtopic>
<deep_concepts>
<item>Forward Compatibility</item>
<item>Backward Compatibility</item>
<item>Migration Strategies</item>
</deep_concepts>
</concept>
<concept name="Optimization">
<subtopic>Size Optimization</subtopic>
<subtopic>Processing Efficiency</subtopic>
<subtopic>Memory Usage</subtopic>
<deep_concepts>
<item>Encoding Schemes</item>
<item>Buffer Strategies</item>
<item>Zero-copy Parsing</item>
</deep_concepts>
</concept>
</concepts>
</topic>
</phase>
<phase order="4" name="postcard_specific">
<topic name="Architecture">
<concepts>
<concept name="Core Design">
<subtopic>Flavor System</subtopic>
<subtopic>Buffer Management</subtopic>
<subtopic>Error Handling</subtopic>
<deep_concepts>
<item>Plugin Architecture</item>
<item>Resource Management</item>
<item>Protocol Extensions</item>
</deep_concepts>
</concept>
<concept name="Wire Format">
<subtopic>Varint Encoding</subtopic>
<subtopic>Type Representations</subtopic>
<subtopic>Format Evolution</subtopic>
<deep_concepts>
<item>Integer Encoding</item>
<item>Collection Handling</item>
<item>String Encoding</item>
</deep_concepts>
</concept>
</concepts>
</topic>
<topic name="Testing">
<concepts>
<concept name="Test Framework">
<subtopic>Unit Tests</subtopic>
<subtopic>Integration Tests</subtopic>
<subtopic>Fuzzing</subtopic>
<deep_concepts>
<item>Test Vectors</item>
<item>Property Testing</item>
<item>Coverage Analysis</item>
</deep_concepts>
</concept>
</concepts>
</topic>
</phase>
</learning_path>
<recommendations>
<recommendation>Start with understanding embedded systems constraints and no_std environments</recommendation>
<recommendation>Learn Serde's core concepts and data model before diving into Postcard</recommendation>
<recommendation>Study the Postcard wire format specification thoroughly</recommendation>
<recommendation>Practice with the Flavor system in isolated examples</recommendation>
<recommendation>Begin with small contributions to documentation or test cases</recommendation>
<recommendation>Focus on memory efficiency and zero-copy operations</recommendation>
</recommendations>
</learning_hierarchy>
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