lor:#898887;'>// See lib/core.ipl for more examples of operator definitions.</span></i>

print <b><span style='color:#000000;'>$.</span></b> (f <b><span style='color:#802811;'>o</span></b> g) <span style='color:#b08000;'>3</span>; <i><span style='color:#898887;'>// prints 7</span></i>
print &lt;&lt; (f <b><span style='color:#802811;'>o</span></b> g) <b><span style='color:#000000;'>$.</span></b> <span style='color:#b08000;'>3</span>; <i><span style='color:#898887;'>// prints 7</span></i>
<i><span style='colo