Which one would you use??

I wrote this post with my own views and wider explanations, but I wanted to compile here the main difference in syntax.

do

%dw 2.0
output application/json
var age = 21
---
{
  person: do { 
    var user = "Robin"
    var age = 5
    ---
    {
        name: user, 
        age: age
    }
  }
}

using

%dw 2.0
output application/json
var age = 21
---
{
  person: using (user = "Robin", age = "5") { 
    name: user, 
    age: age
  }
}

Besides the fact that using is deprecated in DataWeave 2.0, I prefer to use do way more because of the syntax. For me it is more intuitive to know where to define local functions or variables. I think you can't define named functions with using, but you can create lambda expressions (which is a whole can of worms on its own!).

What do you think though?