anchor.diff:  ----
   Both variable declaration are the same.
   
  -I just wonder why there is a special symbol for that, even if I found it very practical.
  +I just wonder why there is a special symbol for that, even if I found it very efficient in practice.
   At first, I thought it was to tell apart assignment from comparison (`==`) like in Pascal.
   
   === Packages and imports
  
positive.code: 
  === Extensive tooling
  
  As soon as you've installed Go and without extra steps, you can:
  
  * *Get* libraries (Go packages) with a sort of package manager
  * *Format* code to stick to Go formatting rules
  
negative.code: The Go compiler is very strict, this can be good thing at times as it may prevent bugs.
  But it can also be bit too picky and annoying at times.
  In particular, it doesn't accept unused variables and unused imports.
  This is a rather common scenario when you are refactoring or trying to implement an idea.
  The compiler could just warn and skip unused declarations.
  
  To skip a useless import, one can write (notice the underscore):
  