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Everything about Object composition

Method in computer programming of forming higher-level object types

In computer science, object composition and object aggregation are closely related ways to combine objects or data types into more complex ones. In conversation, the distinction between composition and aggregation is often ignored. Common kinds of compositions are objects used in object-oriented programming, tagged unions, sets, sequences, and various graph structures. Object compositions relate to, but are not the same as, data structures. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Object compositionA 5-minute orientation
  2. Skim a recent paper: EpNet: Power lines foreign object detection with Edge Proposal Network and data compositionInfluential work since 2022
  3. Pick up a classic book: The reading-writing connectionThe most-reprinted book on the subject
  4. Read the landmark paper: Nonlinear Finite-Element Analysis Software Architecture Using Object CompositionCited 843 times
  5. Go sideways: Comparison of programming languages (basic instructions)A closely related topic
  6. Go sideways: Union typeA closely related topic

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