foo.cc:1:1: error: 'var' does not name a type
    1 | var
      | ^~~
foo.cc:5:3: error: 'begin' does not name a type
    5 |   begin
      |   ^~~~~
foo.cc:9:1: error: expected unqualified-id before 'if'
    9 | if x>=0 then
      | ^~
foo.cc:23:3: error: 'end' does not name a type
   23 |   end.
      |   ^~~

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