Remove context receivers

arrow-libs/core/arrow-autoclose/build.gradle.kts

@@ -51,8 +51,3 @@ kotlin {
     (project.rootProject.properties["kotlin_api_version"] as? String)?.also { apiVersion = KotlinVersion.fromVersion(it) }
   }
 }
-
-// enables context receivers for Jvm Tests
-tasks.named<KotlinCompile>("compileTestKotlinJvm") {
-  compilerOptions.freeCompilerArgs.add("-Xcontext-receivers")
-}

arrow-libs/core/arrow-autoclose/src/commonMain/kotlin/arrow/AutoCloseScope.kt

@@ -47,11 +47,10 @@ import kotlin.coroutines.cancellation.CancellationException
  * So both [AutoCloseScope], and `ResourceScope` behave correctly when encountering cancellation, by closing the source,
  * but `ResourceScope` allows inspecting _complete_, _failure_, **and** _cancellation_ in the finalizer.
  *
- * This DSL works very well with Kotlin's experimental feature context receivers, soon called context parameters.
- * We can write the same code from above as a function:
+ * We can write the same code from above as a function by adding the scope as receiver:
+ *
  * ```kotlin
- * context(AutoCloseScope)
- * fun copyFiles(input: String, output: String) {
+ * fun AutoCloseScope.copyFiles(input: String, output: String) {
  *   val scanner = install(Scanner(input))
  *   val printer = install(Printer(output))
  *   for(line in scanner) {

arrow-libs/core/arrow-autoclose/src/jvmTest/kotlin/examples/example-autocloseable-02.kt

@@ -15,8 +15,7 @@ public class Printer(private val path: String) : AutoCloseable {
   override fun close(): Unit = Unit
 }
 
-context(AutoCloseScope)
-fun copyFiles(input: String, output: String) {
+fun AutoCloseScope.copyFiles(input: String, output: String) {
   val scanner = install(Scanner(input))
   val printer = install(Printer(output))
   for(line in scanner) {

arrow-libs/core/arrow-cache4k/build.gradle.kts

@@ -83,8 +83,3 @@ tasks.named<Jar>("jvmJar").configure {
     attributes["Automatic-Module-Name"] = "arrow.cache4k"
   }
 }
-
-// enables context receivers for Jvm Tests
-tasks.named<KotlinCompile>("compileTestKotlinJvm") {
-  compilerOptions.freeCompilerArgs.add("-Xcontext-receivers")
-}

arrow-libs/core/arrow-core/build.gradle.kts

@@ -79,11 +79,6 @@ kotlin {
   }
 }
 
-// enables context receivers for Jvm Tests
-tasks.named<KotlinCompile>("compileTestKotlinJvm") {
-  compilerOptions.freeCompilerArgs.add("-Xcontext-receivers")
-}
-
 tasks.withType<Test>().configureEach {
   useJUnitPlatform()
 }

arrow-libs/core/arrow-core/src/commonMain/kotlin/arrow/core/raise/Effect.kt

@@ -164,17 +164,17 @@ import kotlin.jvm.JvmName
  * ```
  * <!--- KNIT example-raise-03.kt -->
  *
- * Adding your own syntax to `Raise<R>` is not advised, yet, but will be easy once "Multiple Receivers" become available.
+ * Adding your own syntax to `Raise<R>` is not advised, yet, but will be easy once context parameters become available.
  *
  * ```
- * context(Raise<R>)
+ * context(_: Raise<R>)
  * suspend fun <R, A> Either<R, A>.bind(): A =
  *   when (this) {
  *     is Either.Left -> raise(value)
  *     is Either.Right -> value
  *   }
  *
- * context(Raise<None>)
+ * context(_: Raise<None>)
  * fun <A> Option<A>.bind(): A =
  *   fold({ raise(it) }, ::identity)
  * ```

arrow-libs/core/arrow-core/src/commonMain/kotlin/arrow/core/raise/Raise.kt

@@ -168,8 +168,7 @@ public interface Raise<in Error> {
    *
    * data class Config(val mode: Int, val role: String, val serviceType: ServiceType)
    *
-   * context(Raise<String>)
-   * fun readConfig(): Config {
+   * fun Raise<String>.readConfig(): Config {
    *     val mode = ensureNotNull(readln().toIntOrNull()) {
    *         "Mode should be a valid integer"
    *     }
@@ -530,8 +529,7 @@ public inline fun <reified T : Throwable, A> catch(block: () -> A, catch: (t: T)
  *     object ContainsInvalidChars : CountryCodeError
  * }
  *
- * context(Raise<CountryCodeError>)
- * fun countryCode(rawCode: String): CountryCode {
+ * fun Raise<CountryCodeError>.countryCode(rawCode: String): CountryCode {
  *     ensure(rawCode.length == 2) { CountryCodeError.InvalidLength(rawCode.length) }
  *     ensure(rawCode.any { !it.isLetter() }) { CountryCodeError.ContainsInvalidChars }
  *     return CountryCode(rawCode)
@@ -600,8 +598,7 @@ public inline fun <Error> Raise<Error>.ensure(condition: Boolean, raise: () -> E
  *     object NullValue : NameError
  * }
  *
- * context(Raise<NameError>)
- * fun fullName(name: String?): FullName {
+ * fun Raise<NameError>.fullName(name: String?): FullName {
  *     val nonNullName = ensureNotNull(name) { NameError.NullValue }
  *     return FullName(nonNullName)
  * }

arrow-libs/core/arrow-core/src/jvmTest/kotlin/arrow/core/raise/EffectUsage.kt

@@ -9,16 +9,13 @@ sealed interface OtherError : MyError {
   object Actual : OtherError
 }
 
-context(Raise<SubError>)
-  suspend fun subprogram(): Unit =
+suspend fun Raise<SubError>.subprogram(): Unit =
   println("Hello SubProgram!")
 
-context(Raise<OtherError>)
-  suspend fun otherprogram(): Unit =
+suspend fun Raise<OtherError>.otherprogram(): Unit =
   println("Hello OtherProgram!")
 
-context(Raise<OtherError>)
-  suspend fun fail(): MyResponse =
+suspend fun Raise<OtherError>.fail(): MyResponse =
   raise(OtherError.Actual)
 
 fun main() =
@@ -38,12 +35,10 @@ object EmptyResponse : MyResponse
 data class ErrorResponse(val error: Throwable) : MyResponse
 data class BodyResponse(val body: String) : MyResponse
 
-context(Raise<SubError>)
-  suspend fun respondWithBody(): BodyResponse =
+suspend fun Raise<SubError>.respondWithBody(): BodyResponse =
   BodyResponse("Hello Program!")
 
-context(Raise<OtherError>)
-  suspend fun attemptOrError(): MyResponse =
+suspend fun Raise<OtherError>.attemptOrError(): MyResponse =
   ErrorResponse(RuntimeException("Oh no!"))
 
 fun respond(): Effect<MyError, MyResponse> =

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ retrofit = "2.11.0"
 moshi = "1.15.1"
 spotlessVersion = "6.25.0"
 compose = "1.7.5"
-composePlugin = "1.8.0+check"
+composePlugin = "1.7.1"
 agp = "8.7.2"
 android-compileSdk = "34"
 cache4k = "0.13.0"