Scala宏的部分应用

import scala.language.experimental.macros
import scala.reflect.macros.blackbox

object PartialApplicationMacro {
  def partialApplyImpl(c: blackbox.Context)(args: c.Expr[Any]*): c.Expr[Any] = {
    import c.universe._

    // 获取部分应用的参数
    val appliedArgs = args.map(_.tree)

    // 构建新的函数调用
    val appliedFunction = q"myFunction _"
    val appliedCall = appliedArgs.foldLeft(appliedFunction)((acc, arg) => q"$acc($arg)")

    // 返回新的函数调用
    c.Expr[Any](appliedCall)
  }

  def partialApply(args: Any*): Any = macro partialApplyImpl
}

object Main extends App {
  def myFunction(a: Int, b: String, c: Boolean): Unit = {
    println(s"a: $a, b: $b, c: $c")
  }

  val partialFunction = PartialApplicationMacro.partialApply(42, "Hello")
  partialFunction(true)
}