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Go Struct Embedding

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by Community

Explains Go struct embedding for composition over inheritance, including method promotion, field shadowing, interface satisfaction through embedding, and when to use embedding vs explicit fields.

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Go Struct Embedding

Use Go struct embedding effectively for composition, method promotion, and clean API design.

Usage

Ask about struct embedding patterns or describe your type hierarchy needs for guidance.

Examples

  • "How does method promotion work with embedded structs?"
  • "When should I embed a struct vs use a named field?"
  • "How do I override an embedded struct's method?"

Guidelines

  • Use embedding for composition, not to simulate inheritance
  • Explain method promotion and field shadowing rules
  • Show how embedding satisfies interfaces implicitly
  • Cover common patterns: embed mutex, embed interfaces
  • Warn about json marshaling surprises with embedded structs

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