Discover arguments size at runtime

varargs.golo

module varargs

local function tests = {
  let map = java.util.HashMap()
  map: put("test0", { println("empty")})
  map: put("test1", |a| -> println(a))
  map: put("test2", |a, b| -> println(a + " " + b))
  map: put("test3", |a, b, c| -> println(a + " " + b + " " + c))
  
  return map
}  
  
function main = |args| {
  
  let dynob = DynamicObject()
  
  foreach (entry in tests(): entrySet()) {
      dynob: define(entry: getKey(), |this, args...| -> entry: getValue(): invokeWithArguments(args: asList()))      
  }
  
  dynob: test0()
  dynob: test1("a")
  dynob: test2("a", "b")
  dynob: test3("a", "b", "c")
}