Created
January 15, 2013 12:39
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| // now: | |
| def query[T](predicate: T => Boolean): List[T] = macro queryMacro | |
| def queryImpl[T: c.TypeTag](c: Context)(predicate: c.Expr[T => Boolean]): c.Expr[List[T]] | |
| // with something like closure reflection: | |
| // the library: | |
| class ReflectiveClosure[A,B] extends Function1[A,B] { | |
| def ast: Expression | |
| } | |
| implicit def reflectClosure[A,B](f: Function1[A,B]): ReflectiveClosure[A,B] = macro reflectiveClosureImpl | |
| def reflectiveClosureImpl[A: c.TypeTag, B: c.TypeTag](c:Context)(f:c.Expr[Function1[A,B]]):c.Expr[ReflectiveClosure[A,B]] = ??? | |
| // the consumer: | |
| def query[T](predicate: ReflectiveClosure[T,Boolean]): List[T] = { | |
| val ast = predicate.ast | |
| ??? | |
| } |
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