var i := 1;
while ( ++i < 3 )
  print( "while" );
endwhile
print( i );

for ( i := 1; i < 3; ++i )
  print( "for" );
endfor
print( i );
print( ++i );

i := 1;
function p( i )
  print( "in func after ++" );
  print( i );
  ++i;
endfunction
p( ++i );
print( "i after func call " + cstr( i ) );

i := 1;
function pp( byref i )
  print( "in func after ++" );
  print( i );
  ++i;
endfunction
pp( ++i );
print( "i after func call " + cstr( i ) );

var ii := ++i;
print( ii );
ii += ++i;
print( ii );
ii := 1 + ( ++i );
print( ii );

var j := 3;
i := 2;
var b := i + ++j;
print( b );

var d := 1.5;
print( ++d );

const c := 1;
++c;
print( "should not change {}".format( c ) );
print( "should change {}".format( ++c ) );

var e := { 1 };
print( ++e );
++e[1];
print( e );