#

newtype

Here are 40 public repositories matching this topic...

JelteF / derive_more

Some more derive(Trait) options

rust trait macros developer-tools derive newtype

Updated Sep 7, 2026
Rust

nutype

greyblake / nutype

Rust newtype with guarantees 🇺🇦 🦀

rust sanitization data validation web validator macros data-structures rust-lang rust-library invariants macro invariant sanitizer newtype typesafety invariance

Updated Sep 1, 2026
Rust

estatico / scala-newtype

NewTypes for Scala with no runtime overhead

scala newtype tagged tagged-types

Updated Feb 10, 2022
Scala

sir-wabbit / newtypes

scala newtype

Updated Mar 28, 2022
Scala

rudogma / scala-supertagged

Unboxed (multi-nested-)tagged + unboxed newtypes. Better and much friendlier alternative to AnyVals.

scala types tagging scalajs newtype tagged tagged-types type-tagging

Updated Nov 23, 2022
Scala

vitorsvieira / dilate

Nearly zero runtime object allocation powered by scalameta. Value class and Unboxed Tagged Type generation at compile-time.

scala ddd typelevel metaprogramming macros scala-macros type-safety type-checking scalameta ddd-patterns type-level-programming newtype funcional-programming

Updated Oct 19, 2017
Scala

quodlibetor / diesel-derive-newtype

derive newtype for diesel traits

rust diesel custom-derive newtype

Updated Jul 1, 2026
Rust

tismith / exitfailure

Helpers for easily using failure::Error and others as return types in main() while still giving human-readable error messages.

rust cli library failure newtype exitfailure

Updated Aug 18, 2026
Rust

evturn / haskellbook

Solutions to exercises from the book Haskell Programming

haskell parser-combinators solutions algebraic-data-types monad functor monoid semigroup abstract-data-types monad-transformers applicative traversable sum-types haskell-book foldable haskellbook newtype haskell-programming product-type

Updated Aug 18, 2021
Haskell

ahrjarrett / any-ts

Sensible, performant primitives for writing semantic TypeScript code

typescript typelevel namespace any-type typelevel-programming newtype typescript-namespaces

Updated Nov 16, 2024
TypeScript

kevin-lee / extras

A few extra tools

cats scala tools concurrency refinement newtype refined refinement-type console-io

Updated Aug 31, 2026
Scala

kevin-lee / refined4s

newtype and refinement (refined) type for Scala 3

scala functional-programming scalajs refinement refinement-types scala-native newtype refined refined-types

Updated Sep 1, 2026
Scala

newtype

outfox / newtype

Distinct Type Aliases for C#

gamedev csharp types dotnet game-development aliases alias newtype

Updated Jun 16, 2026
C#

haskell-hvr / newtype

haskell haskell-library newtype

Updated Dec 26, 2025
Haskell

MarcelineVQ / idris2-newtype-deriving

Newtype, Generic Interface Deriving

library lib generics idris deriving num newtype idris-ecosystem idris2 idris2-ecosystem

Updated Dec 6, 2022
Idris

jymchng / python-newtype-dev

Beautiful way to create new types for your Python classes!

python types python3 classes newtype

Updated Feb 20, 2025
Python

lorandszakacs / sprout

Opaque type encoding for convenient new types, and boilerplate minimization of integration with 3rd party libraries like circe, http4s, doobie, skunk, etc.

cats scala newtype cats-effect opaque-type

Updated Jul 30, 2022
Scala

bbqsrc / nova

Newtype macros for commonly reused types in Rust.

rust uuid string vector macro integers newtype dataclass

Updated Nov 19, 2024
Rust

zeon256 / satay-rs

Sans-IO Rust OpenAPI client generator with typed builders, validation newtypes, and transport-agnostic adapters

rust http validation openapi api-client codegen sans-io newtype openapi-client

Updated Sep 8, 2026
Rust

elm-typed-value

lue-bird / elm-typed-value

a type with 1 variant but convenient

wrapper elm newtype tagged custom-type single-variant

Updated Jan 2, 2023
Elm

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