@ifdef is an annotation that implements conditional compilation in Scala.
See https://eed3si9n.com/ifdef-in-scala-via-pre-typer-processing/ for details.
addSbtPlugin("com.eed3si9n.ifdef" % "sbt-ifdef" % "x.y.z")package example
import com.eed3si9n.ifdef.ifdef
class A {
def foo: Int = 42
}
@ifdef("test")
class ATest extends munit.FunSuite {
test("hello") {
val actual = new A().foo
val expected = 42
assertEquals(actual, expected)
}
}You can add custom definitions in your build.sbt:
// Add a custom definition for early access features
ThisBuild / ifDefDeclarations += "eap"Then use them in your code:
// This method will only be available when "eap" is defined
@ifdef("eap")
def earlyAccessFeature(): Unit = {
// Implementation of early access feature
}ifdef is released under Apache License Version 2.0.