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    <p>You could do this with runtime reflection, and I'm sure you'll get answers telling you how, if you want that, but this is actually a neat use case for <a href="http://scalamacros.org/" rel="nofollow noreferrer">Scala 2.10's macros</a>, so here goes. First assume we have a file named <code>ParamMapMaker.scala</code>:</p> <pre><code>object ParamMapMaker { def paramMap: Map[String, Any] = macro paramMapImpl def paramMapImpl(c: scala.reflect.macros.Context) = { import c.universe._ val params = c.enclosingMethod match { case DefDef(_, _, _, ps :: Nil, _, _) =&gt; ps.map(p =&gt; reify(( c.Expr[String](Literal(Constant(p.name.decoded))).splice, c.Expr[Any](Ident(p.symbol)).splice )).tree ) case _ =&gt; c.abort(c.enclosingPosition, "Can't call paramMap here!") } c.Expr[Map[String, Any]](Apply(Select(Ident("Map"), "apply"), params)) } } </code></pre> <p>I'll leave snake casing the map keys as an (easy) exercise for the reader.</p> <p>We also have a test file (named <code>Test.scala</code>):</p> <pre><code>object Test extends App { def foo(hello: String, answer: Int) = ParamMapMaker.paramMap println(foo("world", 42)) } </code></pre> <p>Now we compile both of these:</p> <pre><code>scalac -language:experimental.macros ParamMapMaker.scala scalac Test.scala </code></pre> <p>And when we run <code>Test</code> we'll get the following:</p> <pre><code>Map(hello -&gt; world, answer -&gt; 42) </code></pre> <p>The nifty thing about this is that there's none of the overhead of runtime reflection. If we compile the test file with <code>-Ymacro-debug-verbose</code>, we see that the following code has been generated (in effect) for the body of <code>foo</code> at compile time:</p> <pre><code>Map.apply[String, Any]( scala.Tuple2.apply[String, String]("hello", hello), scala.Tuple2.apply[String, Int]("answer", answer) ) </code></pre> <p>Exactly as we'd expect.</p>
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    1. POIs it possible to have a Map[String,Any] with the name and the values of named parameters in Scala?
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    1. CODo you know if it is possible to use it with sbt?
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    2. COI figured it out. It simply requires to change the scala version `scalaVersion := "2.10.0-RC2"` and to import ` import language.experimental.macros` in the files using the feature
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