'EQUATES

% half 0.5
$ title "My Metaprogram"

'CONDITIONAL BLOCKS

 #ifdef ...
   ...
 #elseif ...
   ...
 #else
   ...
 #endif

'MACROS

'msdos-like
def sum
  %1 + %2
end def

'C-like
#define sum(a,b) a + b

'native
macro sum(a,b)
  a + b
end macro

'native macro functions
macro sum int(r,a,b)
  r = a + b
end macro