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berestovskyy merged 1 commit into from
Apr 28, 2026
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docs: add links to alternatives #55

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19 changes: 15 additions & 4 deletions README.md
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Expand Up @@ -170,11 +170,22 @@ Alternatives
------------

1. `nutype` -- An impressive 12.5k lines of code, with 7.5k lines in proc-macros alone.
After trying to extend it, I realized it would be faster to simply write a new crate.
After trying to extend it, I realized it would be faster to simply write a new crate:
[crate](https://crates.io/crates/nutype)
and [repo](https://github.com/greyblake/nutype).
2. `phantom_newtype` -- Provides 19 trait implementations out of the box,
but lacks a mechanism for providing custom trait implementations.
3. `newtype_derive` -- Outdated and relies on the legacy `custom_derive!` declarative macro.
4. `newtype-derive-2018` -- Less outdated, but it's 2026.
but lacks a mechanism for providing custom trait implementations:
[crate](https://crates.io/crates/phantom_newtype)
and [repo](https://github.com/roman-kashitsyn/phantom-newtype).
3. `newtype_derive` -- Outdated and relies on the legacy `custom_derive!` declarative macro:
[crate](https://crates.io/crates/newtype_derive)
and [repo](https://github.com/DanielKeep/rust-custom-derive).
4. `newtype-derive-2018` -- Less outdated, but it's 2026:
[crate](https://crates.io/crates/newtype-derive-2018)
and [repo](https://github.com/A1-Triard/newtype-derive-2018).
5. `newtype` -- yet another outdated crate with a similar approach:
[crate](https://crates.io/crates/newtype)
and [repo](https://gitlab.com/jrobsonchase/newtype).

References
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