Initial checkin of messy code which appears to be a PoC

1 files changed, 22 insertions, 0 deletions

diff --git a/examples/src/main/scala/example.scala b/examples/src/main/scala/example.scala
new file mode 100644
index 0000000..7e9d80b
--- /dev/null
+++ b/examples/src/main/scala/example.scala
@@ -0,0 +1,22 @@
+package magnolia
+
+import language.experimental.macros
+
+trait Extractor[T] {
+  def extract(src: String): T
+}
+
+object Extractor extends Extractor_1 {
+  
+  def apply[T](fn: String => T): Extractor[T] = new Extractor[T] {
+    def extract(source: String): T = fn(source)
+  }
+
+  implicit val intExtractor: Extractor[Int] = Extractor(_.toInt)
+  implicit val stringExtractor: Extractor[String] = Extractor(identity)
+  implicit val doubleExtractor: Extractor[Double] = Extractor(_.toDouble)
+}
+
+trait Extractor_1 {
+  implicit def generic[T]: Extractor[T] = macro Macros.generic[T, Extractor[_]]
+}