[OT] Re: Andrei's list of barriers to D adoption

[jmh530 via Digitalmars-d]

On Friday, 10 June 2016 at 14:25:37 UTC, Adam D. Ruppe wrote:
>
> To make an interpreter, you can just add a method to the AST 
> objects that interprets and gives a result.... boom, it works!

Given my limited knowledge of compilers/interpreters, this part 
kind of seems like magic.

Let's say you have something simple like 1+2, you would build an 
AST that looks something like
    +
   / \
  1   2
What would be the next step?