ldionne/dyno

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1043 stars · 45 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Dyno is a C++17 header-only library for runtime polymorphism via type erasure, allowing non-intrusive interface definitions without inheritance or heap allocation. It provides fully customizable storage and virtual dispatch strategies, inspired by Rust trait objects and Go interfaces.

Use cases

• replace virtual inheritance with type-erased interfaces
• store polymorphic objects with value semantics
• customize vtable and storage layout for polymorphic types
• implement non-intrusive interfaces for third-party types
• avoid heap allocation for dynamic dispatch
• define Rust-style trait objects in C++

When to choose

• you need runtime polymorphism without inheritance hierarchies
• you want control over how polymorphic objects are stored and dispatched
• you're on C++17 and want value-semantics-friendly dynamic dispatch
• you need to make unrelated types fulfill a common interface non-intrusively

When to avoid

• you need a stable, production-hardened library (it's explicitly experimental)
• you're stuck on pre-C++17 compilers
• plain virtual functions are sufficient for your use case
• you need long-term maintenance and support guarantees

Facets

library · maturity experimental

serialization programming-languages developer-tools cpp cross-platform type-erasure runtime-polymorphism cpp17 header-only value-semantics

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