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tabdulradi/happypath

Makes union types work with for-comprehensions (like scala.Either, but without the allocation cost).
Source code at GitHub null
tabdulradi/happypath.json
{
  "createdAt": "2021-03-27T00:30:21Z",
  "defaultBranch": "main",
  "description": "Makes union types work with for-comprehensions (like scala.Either, but without the allocation cost).",
  "fullName": "tabdulradi/happypath",
  "homepage": null,
  "language": "Scala",
  "name": "happypath",
  "pushedAt": "2021-10-19T08:25:46Z",
  "stargazersCount": 16,
  "topics": [],
  "updatedAt": "2024-04-13T03:43:51Z",
  "url": "https://github.com/tabdulradi/happypath"
}

happypath

Section titled “happypath”

Makes union types work with for-comprehensions (like scala.Either, but without the allocation cost).

Usage

Section titled “Usage”
import com.abdulradi.happypath.UnhappyCase


enum AppError derives UnhappyCase:
  case Err1(foo: String)
  case Err2(bar: Int)


@main def app(): Unit =
  val intOrErr: AppError | Int = 42
  val strOrErr: AppError | String = "test"


  for
    i <- intOrErr
    s <- strOrErr
  do println(s"$s $i")