Handle Scala 3 syntax for an arity-0 function

tsuckow · tsuckow · commit 3f66eeb4fd60 · 2023-03-12T17:49:53.000Z
diff --git a/src/test/scala/net/codingwell/scalaguice/TypeLiteralSpec.scala b/src/test/scala/net/codingwell/scalaguice/TypeLiteralSpec.scala
@@ -126,6 +126,9 @@ class TypeLiteralSpec extends AnyFunSpec with Matchers {
       // Scala 2 represents it as Function1[Function0[Unit],String]
       // Scala 3 represents it as just Function1[Unit,String]
       typeLiteral[(=> Unit) => String] shouldEqual new TypeLiteral[(=> Unit) => String] {}
+      // In Scala 3 the parenthesis are not optional, otherwise it isn't a function
+      typeLiteral[(() => Unit) => String] shouldEqual new TypeLiteral[(() => Unit) => String] {}
+      typeLiteral[Function1[Function0[Unit],String]] shouldEqual new TypeLiteral[(() => Unit) => String] {}
     }
 
     it("should handle complex type") {

Original file line number	Diff line number	Diff line change
`@@ -126,6 +126,9 @@ class TypeLiteralSpec extends AnyFunSpec with Matchers {`
`126`	`126`	`// Scala 2 represents it as Function1[Function0[Unit],String]`
`127`	`127`	`// Scala 3 represents it as just Function1[Unit,String]`
`128`	`128`	`typeLiteral[(=> Unit) => String] shouldEqual new TypeLiteral[(=> Unit) => String] {}`
	`129`	`+ // In Scala 3 the parenthesis are not optional, otherwise it isn't a function`
	`130`	`+ typeLiteral[(() => Unit) => String] shouldEqual new TypeLiteral[(() => Unit) => String] {}`
	`131`	`+ typeLiteral[Function1[Function0[Unit],String]] shouldEqual new TypeLiteral[(() => Unit) => String] {}`
`129`	`132`	`}`
`130`	`133`
`131`	`134`	`it("should handle complex type") {`