`alloc`, an alternative to `new`, with better syntax and type inference

alloc.scala

Welcome to Scala version 2.10.5 (OpenJDK 64-Bit Server VM, Java 1.6.0_27).
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scala> import rapture.core._
import rapture.core._

scala> val str: String = alloc() // new String()
str: String = ""

scala> val date: java.util.Date = alloc() // new java.util.Date()
date: java.util.Date = Sat Mar 21 23:33:20 CET 2015

scala> val sb = alloc[StringBuilder]() // new StringBuilder()
sb: StringBuilder =

scala> val exc: RuntimeException = alloc("Error message") // new RuntimeException("Error message")
exc: RuntimeException = java.lang.RuntimeException: Error message

scala> case class Tc[T](val default: T)
defined class Tc

// Particularly useful for removing repetition in an implicit's type and constructor call
scala> implicit val stringTc: Tc[String] = alloc("foo")
stringTc: Tc[String] = Tc@5e4d273a

scala>

Yes, it's implemented with a macro.