Scala refined types
WebJan 25, 2024 · getting type-lambdas via kind-projector; refined library which allows building type-level validators via Shapeless; Anyway, raw refinement types are hidden from your code in the examples above ...
Scala refined types
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WebType Class Derivation. Type class derivation is a way to automatically generate given instances for type classes which satisfy some simple conditions. A type class in this sense is any trait or class with a single type parameter determining the type being operated on, and the special case CanEqual. Common examples are Eq, Ordering, or Show. WebWhile field transformation is a generic ScalaPB mechanism, it is also recommended that you add scalapb-validate's preprocessor to PB.targets. The preprocessor does two things: Provides field transformations for Set and cats data types. Expand your PGV-based rules such that they match repeated items, map keys and map values.
WebMay 27, 2016 · It allows you to refine (constrain) existing types at type level. E.g. positive integers, which still have a subtype relationship with integers. The syntax is a bit verbose, and it will box primitives (see below for details). But other than that it does exactly what you want. Here is a short demo. WebRelated Docs: class RefinedTypeExtractor package Types abstract type RefinedType >: Null <: Universe.RefinedTypeApi with Universe.CompoundType The RefinedType type defines …
WebSep 24, 2024 · Scala is a general-purpose, high-level, multi-paradigm programming language. It is a pure object-oriented programming language which also provides the support to the functional programming approach. There is no concept of primitive data as everything is an object in Scala. WebMay 21, 2024 · To express that that Refined[T, Predicate] type was introduced. You can find the whole code of that iteration in the accompanying repository. However, most of it is a …
WebExistential types that can be expressed using only wildcards (but not forSome) are still supported, but are treated as refined types. For instance, the type Map[ _ <: AnyRef, Int] is treated as the type Map, where the first type parameter is upper-bounded by AnyRef and the second type parameter is an alias of Int.
WebNov 2, 2024 · A good starting point can be replacing all primitives with types that are more meaningful: case class InvoiceId (value: UUID) case class CompanyName (value: String) … is tea tree good for razor bumpsWebApr 12, 2024 · Using the refineV function, we can refine arbitrary values, and get an Either back. To make our code even more terse, we can reach for ad-hoc methods provided by … is tea tree bad for dogsWebRefinement types for Scala. iltotore / iron . 244 . Strong type constraints for Scala. epfl-lara / stainless . 314 . Verification framework and tool for higher-order Scala programs ... Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein). com-lihaoyi / fansi . 212 . Scala/Scala ... if you see something say something trademarkWebIron is a type constraint system for Scala. It allows creating type-level assertions, evaluable at compile time and/or runtime. Summary: Features Import in your project Modules Useful links Contribute Features Easy to use Iron offers a simple way to create type-level assertions using Scala's givens and type aliases. if you see square waves get out of the waterWebWhat is the current state of Refined support on Scala 3? Cannot find more than a few branches en PR's related to it. I was already doing some native compiletime ops in Scala 3 but there is still a lot of Refined compiletime features not covered in what is possible in Scala 3 it seems (like MatchesRegex or numeric types other than Int). is tea tree good for scalpWebShow pre-release versions 20 versions found for refined. 0.5.1 is tea tree good for oily hairWebMar 26, 2024 · Refinement types for Scala scala typelevel refinement-types Updated last week Scala jfecher / ante Star 1.6k Code Issues Pull requests A safe, easy systems language language compiler llvm systems-language refinement-types ante Updated last week Rust ucsd-progsys / liquidhaskell Star 1k Code Issues Pull requests Liquid Types For Haskell is tea tree melaleuca